How To Change Filesystem Type In Linux, A tool has been created to convert between some types of filesystems on Linux.

How To Change Filesystem Type In Linux, file -s: This command will print the file type of a specified file or device. There are many tools, filesystem formats, and partitioning schemes that may change the process if Ext4 From Ext4 - Linux Kernel Newbies: Ext4 is the evolution of the most used Linux filesystem, Ext3. Massimiliano Ghilardi changed this with the small Fstransform The partition type, not to be confused with the file system type, is used by a running system only rarely. You will then have Create a BtrFS filesystem on Ubuntu 24. ” and then the name of the file system you wish to create. I have a rough understanding of Learn what the usual filesystem structure is in Linux system and where files should go by type and purpose. In theory fstransform can be made to work with any Linux filesystem that supports sparse files (both ext4 and This document explains how use the programs 'fstransform', 'fsmove', 'fsmount_kernel' and 'fsremap' to transform the contents of a Linux device - Use the information about the key differences and considerations to select and deploy the appropriate file system based on your specific application how can I change filesystem from ext4 to xfs without data losing? I've centos7 on Arvan cloud (IaaS like linode) and I don't have special permisson. Now, in order to see all the Introduction Overlay file systems are one of those powerful but often misunderstood features of the Linux kernel. 0-23-generic) but when I type mount -o remount,rw /dev/sdb3 in command line it returns not mounted or In the modern era, the way of utilizing mkfs is to type “mkfs. In many ways, Ext4 is a deeper improvement over Ext3 than Ext3 was over Ext2. The accepted answer points to this link, which explains how to use pivot_root to create a temporary in-memory root filesystem, which enables you to Its quite possible to change your filesystem without *entirely* reinstalling. Change the filesystem type. To change filesystem, you will have to back up the data, redo the filesystem, and restore the data. It is not intended to be a low-level description of how a See this Stack Exchange answer. lslbk, blkid, df, findmnt and more to list and determine If you are unable to save a large file on a usb drive that has enough space, likely it is formated as a vfat filesystem. Have you In Linux, when you create a hard disk partition or a logical volume, the next step is usually to create a filesystem by formatting the partition or logical (I've tried both regenerating the grub menu and installing grub from this boot scenario, with no change. I now have Ubuntu focal fossa 20. If there is any bugs on the Linux kernel, it shows "wrong filesystem type" error when you connect USB or external HDD to the pc. The 'linux_raid_member' is a special filesystem type used by the Linux kernel to identify individual disks or partitions that are part of a RAID array. This extra abstraction reduces performance compared to data volumes which write directly to A GPT partition should have the default "Linux filesystem" type GUID 0FC63DAF-8483-4772-8E79-3D69D8477DE4. Our task today is to demystify one of those cornerstones, the filesystem type, which plays a crucial role in how our data is stored, accessed, File system check, or fsck, is a command-line tool that lets you check Linux filesytems and repair errors. The Issue We want to find out what file system / filesystem we are using. To do this, run fdisk /dev/sda with t you can change your partition type in fdisk, which will lead you through the process. I want to change to btrfs. Linux File System Types Partition Table One of the very first decision The reason is that its filesystem driver gets built into its binary (stored in the sectors following the MBR, in the BIOS Boot Partition, or in the grubx64. The partition has one 1. This comprehensive guide covers How to check the filesystem type of a logical volume using lvm or any other utility? For example, if my logical volume is /dev/vg1/lv1 then how to check How to check the filesystem type of a logical volume using lvm or any other utility? For example, if my logical volume is /dev/vg1/lv1 then how to check I intend to make some changes to XFS filesystem. Using this command is discouraged. Please provide output of "df -h" and "sudo sfdisk -d /dev/sda" and a bit about your The basic form of the command described in the previous example hands off creation of the filesystem to one of several specialized utilities, This blog post will provide a detailed overview of formatting filesystems in Linux, including fundamental concepts, usage methods, common practices, and best practices. Your partition number should be Learn how to partition storage devices using fdisk and gdisk, format filesystems like ext4, and configure swap space in Linux. There are many tools, filesystem formats, and partitioning schemes that may change the process if Linux file system is generally a built-in layer of a Linux operating system used to handle the data management of the storage. Master essential commands like fdisk, lsblk, and blkid to manage and identify Objectives In this lab, you will use familiarize yourself with Linux filesystems. Changing the partition type Red Hat Enterprise Linux supports a variety of file systems. Here's how to upgrade from ext2 or ext3 to ext4. Furthermore, the boot Error: mount unknown filesystem type ‘lvm2_member’ Once the system is booted into system rescue mode, I need to mount the hard disk partition that contains the hosts. Then, we can mount the file to our working Once you opt for a filesystem, it cannot be changed easily – especially if you already have files on it. special filesystem type auto. Here are some practical examples of mkfs Since this is happening when mounting new_root, you're mos likely referencing the root device by it's device name (sda1 or so) which is not reliable (if you've two disks, as acknowledged, Learn how to list filesystem partition type codes in Linux with step-by-step instructions and examples. Live boot parted command in a Linux is CLI based utility to work with partitions. I want to change the type of file system of this partition from ext4 The output of the same command (blkid) for other USB keys contains the udev variable ID_FS_TYPE; possible values of ID_FS_TYPE are: vfat, ntfs, exfat. When you create a RAID array, the kernel In this article, we will explain how to mount/unmount local and network filesystems (samba and NFS) in Linux, that are required for the LFCS Chances are you used FAT32, the most widely-supported filesystem for removable media. 2. The Quick Answer: Use Ext4 if You're Not Sure We'll get into the weeds Get a virtual cloud desktop with the Linux distro that you want in less than five minutes with Shells! With over 10 pre-installed distros to choose from, the worry-free installation life is here! Linux Get FS Type: A Comprehensive Guide In the Linux operating system, understanding the file system type (FS type) of a partition or a mount point is crucial for various This tutorial describes the Linux file systems and provides recommendations on the right file system to suit your application. Understanding the various file system types in Linux is Learn how to check file system type in Linux and Unix using different commands methods. These files can be spread out over several devices and they can be remote or local file 5 Yes, for Linux that is entirely cosmetic. You are also in a specific place in the server’s file system. Use the EBS volume was attached as ext4 on /opt/apps. 00%) reserved for the super user First data block=1 15 Run fdisk on the appropriate disk, for example sudo fdisk /dev/sdb Press t to change the type of a partition. Optimize your Linux setup with this comprehensive guide. In the past, the 0x82 type code was used by both Solaris filesystem and Linux swap partitions. Choosing the file system that is appropriate for your application is an important decision due to the large number of options available and the trade-offs involved. The following sections describe the file The SAP HANA database lifecycle manager requires specific file systems for successful installation of an SAP HANA system. You can also use dump2fs /dev/sda1 to list a lot more of the information about the file system, but the above command will neatly list all of the tunable values including the “Filesystem The Linux file system architecture is organized into three important layers, each responsible for different functionalities. efi file, depending on the boot mode I have a 2tb hard drive containing gpt and a single 2tb partition with ext4 file system. Here is the terminal command to check file Linux supports many filesystems, but Ext2 (legacy, no journal), Ext3 (journaled, backward-compatible with Ext2), and Ext4 (modern, extent-based) are common for system partitions. After selecting the size and type write to the disk: You Once you opt for a filesystem, it cannot be changed easily – especially if you already have files on it. Once we opt for a filesystem, it cannot be changed easily – especially if we already have Once you opt for a filesystem, it cannot be changed easily – especially if you already have files on it. Subvolumes, snapshots, and filesystem usage with btrfs-progs 6. From understanding different file systems to executing the conversion process using various methods, this tutorial has you covered. If they are, then you can cd into the mount points. Yes, it is possible. This article explains 10 basic If you have a drive that’s on a certain file system, and you need to change it to another, you can easily do so on Windows 10. e. org > Forums > Linux Forums > Linux - Newbie How to change "Linux filesystem" partition type to "extended" ? Linux - Newbie This Linux forum is for members that are new to Learn how to list partition type codes in Linux using tools like parted, lsblk, and blkid. 04 is installed in my pc. These tools are often referred to as fsck tools, where fsck is a shortened version of file The power of the Linux terminal is that you can quickly customize your environment so that it works better and harder according to your needs. allow file and Type=oneshot: this is useful for scripts that do a single job and then exit. Give your old Linux a filesystem facelift. 10, I have installed using ext4 as my filesystem. File systems From Wikipedia: In computing, a file system or filesystem controls how data is stored and retrieved. 04. 04 and Debian 13. Visual Studio Code is free Introduction Preparing a new disk for use on a Linux system is a straightforward process. Is there a documentation on the steps involved in doing so? I tried google but found nothing of much use. They determine how data is stored, retrieved, and managed on a storage device. Massimiliano Ghilardi changed this with the small Fstransform Mount file system ext2 has been upgraded to ext3 which can be confirmed in last output. The ntfs format is Linux supports multiple file systems. UUID's normally changed when formatting or repartition a drive or any 6 You can try to change the partition type in fdisk. Creating and Checking Filesystems Creating Filesystems When working with Linux systems, you might need to know what type of filesystem (like ext4, xfs, or vfat) is being used on the disks. It dictates how files are stored, organized, and accessed. You can create, modify or remove partitions via interactive or non interactive Mixing different file system types in your Unraid system is perfectly acceptable; the Unraid parity system works independently of the file system used. If there are several, you will be asked which one you want to change: Partition I have an existing install of Ubuntu 10. Without a file system, information placed in a storage medium would be one This blog explores **7 practical methods** to check the filesystem type in Linux, with step-by-step examples and explanations. So an empty output for the The Linux filesystem is the foundation of any Linux-based operating system. You may want to set RemainAfterExit=yes as well so that systemd still considers the service as active after the Once you opt for a filesystem, it cannot be changed easily – especially if you already have files on it. I have a 32Gb usbstick that i want to use as timeshift snapshot Red Hat Enterprise Linux uses the Filesystem Hierarchy Standard (FHS) file system structure, which defines the names, locations, and permissions for many file Hier sollte eine Beschreibung angezeigt werden, diese Seite lässt dies jedoch nicht zu. A file system is a logical collection of files on a partition or disk. This specifies the filesystem type Working with files and directories is an integral part of almost every C++ program. ext4 commands and then mount the disk. You can than toggle the lvm flag Possible Duplicate: How to tell what type of filesystem you’re on? Find filesystem of an unmounted partition from a script How can I quickly check Filesystems in the Linux kernel ¶ This under-development manual will, some glorious day, provide comprehensive information on how the Linux virtual filesystem (VFS) layer works, along with the Red Hat Enterprise Linux supports a variety of file systems. An MBR partition should have the default "Linux" type ID 83. you can copy most of your current This article explains how to set up a block-based filesystem disk quota for a single user and how to generate a report on a filesystem quota usage Normally, the filesystem type is deduced by searching for filesys in the /etc/fstab file and using the corresponding entry. For the EFI partition, set the type to EFI System. org > Forums > Linux Forums > Linux - Distributions > Ubuntu changing file system type to another filesystem type,does it effect on data? Troubleshoot XFS filesystem issues such as duplicate UUID and mounting errors, and learn how to resolve them effectively File system type will not create an ext4 filesystem on /dev/vdc1. The Answer 1 lsblk lsblk -f Example output 1 (From Proxmox VE) Example output Linux filesystems are the backbone of data storage and organization in Linux-based operating systems. Understanding File Systems Before diving into the filesystems(5) File Formats Manual filesystems(5) NAME top filesystems - Linux filesystem types: ext, ext2, ext3, ext4, hpfs, iso9660, JFS, minix, msdos, ncpfs nfs, ntfs, proc, Reiserfs, smb, sysv, umsdos, After sizing the partition, select what type do you want, in my case, I am choosing Linux Swap. To format an xfs mkfs is the Linux command for formatting a disk or partition in a certain filesystem of your choice. We look at how to find out which file system is in use by a given device. Make sure you make changes in /etc/fstab to reflect proper file system type for your related mount An overview of various Linux filesystems. If the type cannot be deduced, and there is only a single filesystem given as an RHEL provides file system administration utilities which are capable of checking and repairing file systems. I entered these commands: $ sudo Microsoft’s favorite FAT file system is limited to files up to 4GB in size. Run strace mount -o remount,ro / on a test system and see how it calls mount. 1) Is this sane? If a reinstall is really the only sane way to do this, please let me know. Mount anything that Linux supports to Windows 11. Since their introduction to Linux, these two filesystems have grown closer and closer in feature parity. You need to create a physical volume on the partition (the command is pvcreate), which will destroy the filesystem header on it. . Each file system is described in a Just make it a question (How to convert OS partition from XFS to ext4) and the post an answer to your own question, shouldn't be to complicated. In this comprehensive guide, I‘ll show you how to create FAT filesystems like a Linux expert! That is impossible to change. A filesystem defines how data is organized, stored, and retrieved Red Hat Enterprise Linux uses the Filesystem Hierarchy Standard (FHS) file system structure, which defines the names, locations, and permissions for many file Learn about Linux filesystem selection, including ext2, ext3, ext4, XFS, and more. g. Massimiliano Ghilardi changed this with the small Fstransform And when you do get the ability to install a fixed kernel, make sure to include appropriate FAT32 support (at least as modules) so that you can mount /boot from within your booted Gentoo UUID is integrated with the filesystem and it helps uniquely identify drives. I'm trying to mount an hfsplus filesystem in a Xubuntu 12. For example, Linux commonly uses one partition for the root system, one for the /home directory, and one for swap memory. NOTE: The primary, logical, and extended are the partition types of an msdos partition table. I'm planing to change the file system of my hd from ntfs to ext4, and I would like to know if its possible to change the it without bugs or data loss. When I go to Master the tune2fs command in Linux to modify and optimize ext2, ext3, and ext4 filesystem parameters. ext2, ext3, ext4, btrfs, zfs etc. It controls how data is stored and retrieved. Rather it will just set the fstype to it. The Type field is based on the partition type GUIDs in your GPT partition table, and there is a lot of possible types. However, the partition type matters to on-the-fly generators, such as systemd-gpt-auto-generator, I need to change my filesystem to the NTFS filesystem from ext4, but the disks tool reports that the current disk is in use, which is obvious. Files cannot be changed into directories and vice versa. This article in an effort to fulfil this gap in the most easiest way possible. Plz tell both methods if or not data loss. You can't just change the partition type. Each type of file system solves different problems and their usage is application specific. You need to add the -t FILESYSTEMTYPE argument to the command, replacing FILESYSTEMTYPE with your filesystem type. Different file systems serve various Chances are you used FAT32, the most widely-supported filesystem for removable media. However, traditional C file I/O functions like fopen and fread can often be cumbersome and non In the Linux operating system, understanding the filesystem type of a partition or storage device is crucial for various administrative and troubleshooting tasks. A file system is somewhat similar to this concept. Wish to change the file system of a drive in Windows? Here’s how you can do that without getting the drive formatted. Instead use mkpart to create an empty partition, In the context of a boot partition, the file system plays an important role in the system’s overall performance and stability. tune2fs command is helpful to manipulate the filesystem parameters of a ext2, or ext3, or ext4 type file system. Different file A disk partition must be formatted and mounted before use. How to change filesystem type to xfs and assign a new mount point to /data? tune2fs command allows you to view and change various filesystem parameters on Linux ext2, ext3, or ext4 filesystems. Is there a way to find out what file system my partitions are using? The filesystem type is optional, you can just use mkpart <part type> <start> <end>, for example mkpart primary 1 100 to skip the filesystem type question. In this guide, we will see different ways to find the mounted filesystem type in Linux and Unix. LinuxQuestions. By default, new partitions are created as Linux partitions, but since cfdisk can create partitions for other operating systems, change partition type allows you to enter the hex Hello everyone, since Linux got my caught because of my father, i tried to install LMDE 6 for his computer and it worked perfectly, no problem at all, the File System was exFat (i don't How to check the filesystem type of a logical volume using lvm or any other utility? For example, if my logical volume is /dev/vg1/lv1 then how to check The fstab (5) file can be used to define how disk partitions, various other block devices, or remote file systems should be mounted into the file system. But, problem is that I don't able to set ext4 filesystem to the partition. If this is some kind of corruption, your best bet is to run an In the Linux operating system, formatting a filesystem is a crucial step in preparing storage devices for data storage. A partition is a container for information and can span an entire hard drive if desired. ) (That said, if I enter a console on my system with a working GRUB installation and Wish to change the file system of a drive in Windows? Here’s how you can do that without getting the drive formatted. For the main Linux partitions, use Linux filesystem. Do it this way: Copy all the files from the Explains how to partition and format a hard disk drive on Linux using the fdisk and mkfs. 3. Use the A great feature of Linux is that we can create a new filesystem in a plain file instead of a partition or disk. To manage the file system, you need a storage driver that provides a union file system, using the Linux kernel. 2) The Linux kernel does not actually care very much about the partition types, but if you use a BLSCFG compliant bootloader, using the Linux root (x86-64) partition type allows the Converting one file system to another (ext2,ext3,ext4,xfs ) without formatting or removing data in CentOs and RHEL. How can I format my disk using terminal Here learn how to show file system type in Linux. I want to mount my Windows C: Drive to /mnt/c in WSL as a drvfs file system, but if I specify drvfs as the file system type I get a 9p filesystem instead. Parted is a renowned command-line utility designed to facilitate the management of hard disk partitions in a user-friendly manner. -C [fd] Display completion/progress bars for those filesystem checkers (currently only for ext2 and ext3) which support them. This is says: "The overlay and overlay2 drivers are supported on xfs backing filesystems, but only with d_type=true enabled. You cannot transfer a file bigger than 4 GB in size to a FAT drive. type does not mean format, you still need to make filesystems on the partitions. File System To change the partition file system, click Format Partition and select file system type when I tried to change my root filesystem's uuid (to a well known beginning and a serial number suffix) on new 14. Tested April 2026. Use the When it comes to the world of Linux, one of the most fundamental aspects is the file system. 5tb file inside it. fsck will manage the filesystem checkers so Hier sollte eine Beschreibung angezeigt werden, diese Seite lässt dies jedoch nicht zu. There are currently no data on it. 6. Different filesystem types, such Linux supports numerous filesystems. There aren’t a whole lot of file systems but there are enough of them for users to have to stop Linux Storage & Filesystems Explained: From Partitions to LVM Managing storage in Linux might sound intimidating at first, but once you I created a new partition (sda7) using cfdisk in Ubuntu 14. Discover its structure and how to specify filesystem entries efficiently. fdisk stands (for "fixed disk or format disk") is an most commonly used command-line based disk manipulation utility. A tool has been created to convert between some types of filesystems on Linux. Whether you’re a sysadmin, developer, or casual user, I'm formatting my Seagate Freeagent external HDD in Linux to FAT filesystem, because it can't be done in Windows, but I'm wondering, what's the difference betweeen partition type and filesystem type? On MBR disks, partition type codes are 1-byte numbers, conventionally expressed in hexadecimal. Learn essential options, practical Here is a brief introduction to file system as well as shows several ways to convert file system between FAT32 and NTFS to solve some problems. I'm All files accessible in a Linux system are arranged in one big tree, the file hierarchy, rooted at /. Understanding Visual Studio Code redefines AI-powered coding with GitHub Copilot for building and debugging modern web and cloud applications. Use xfs_info to verify that the ftype option is set to 1. How to reproduce: Prepare a small chroot in a regular directory, chroot into it, unshare -m fails: # unshare -m unshare: cannot change root Make a part-type partition with filesystem fs-type beginning at start and ending at end (by default in megabytes). Live boot Understanding the file system type on a Linux system is crucial for efficient management and troubleshooting. Learn how to check filesystem in Linux using command. Your hard Typical values are Linux, Linux swap, Linux LVM, and Linux RAID. XFS LinuxQuestions. org > Forums > Linux Forums > Linux - Newbie How to change "Linux filesystem" partition type to "extended" ? Linux - Newbie This Linux forum is for members that are new to LinuxQuestions. 04 VM (kernel version 3. There are several options available with tune2fs command that you can use to either view Objectives: In this chapter, future Linux administrators will learn how to: manage partitions on disk; use LVM for a better use of disk resources; provide users with Red Hat Enterprise Linux supports a variety of file systems. There are probably scripts to do this, but Start by installing all of the BTRFS software you want in your system. Doing this requires you to boot off another disk like a LiveCD or rescue disk because you're Understanding Linux File System Types In the Linux ecosystem, the file system type plays a crucial role in how data is stored, organized, and accessed on storage devices. Some parameters you can This document explains how use the programs 'fstransform', 'fsmove', 'fsmount_kernel' and 'fsremap' to transform the contents of a Linux device - Linux filesystem and partition management represents a critical skillset for systems administrators managing enterprise storage infrastructure. A better format that doesn't have this issue is exfat. Live boot Its quite possible to change your filesystem without *entirely* reinstalling. Required Resources CyberOps Workstation VM Part 1: Exploring Filesystems in Linux The Linux filesystem is I have a 2tb hard drive containing gpt and a single 2tb partition with ext4 file system. The formatting process can also be done for several other reasons, such as changing Linux File System Types Linux supports a variety of file systems, each suited to different use cases, ranging from general-purpose desktop This article is intended to be a very high-level discussion of Linux filesystem concepts. It is not just some flag that can be changed. Filesystem label= OS type: Linux Block size=1024 (log=0) Fragment size=1024 (log=0) 30120 inodes, 120456 blocks 6022 blocks (5. On servers, partitions are I am working on a linux OS based device and writing a script to mount the USB Most of my working devices are having Filesystem with &quot;/dev/sdb1&quot; and I could mount them to the In Linux, when you create a hard disk partition or a logical volume, the next step is usually to create a filesystem by formatting the partition or logical A tutorial on how to identify the filesystem type in Linux was published by TecAdmin. To overcome the i dont see a problem, you have 'Efi System' and 'Linux Filesystem' types. We also explore loop devices, If you're not sure which Linux file system to use, there's a simple answer. It may be working out the device and filesystem type from statvfs () information, digging through /proc, etc. If you’ve ever worked with containers, used a live Linux distribution, or LinuxQuestions. Massimiliano Ghilardi changed this with the small Fstransform Learn to use fdisk, cfdisk, and sfdisk for partition management on Linux. We will use different methods such as df, mount, lsblk, and lfs. Then run mount, which will produce a list of mounted filesystems along with their types and mount options. In the Its quite possible to change your filesystem without *entirely* reinstalling. org > Forums > Linux Forums > Linux - Distributions > Ubuntu changing file system type to another filesystem type,does it effect on data? Determining the filesystem type in Linux can be useful in various scenarios, such as when you want to mount a filesystem, when you want to create a new filesystem, or when you want Run df . Always format Learn about the SquashFS filesystem and the ways to preserve changes to it. These layers work together The file system type in Linux describes the underlying organization and structure used to store and retrieve data from a storage device, such as a hard drive or partition. The following sections describe the file Introduction Preparing a new disk for use on a Linux system is a straightforward process. There Quick Navigation : How to Convert NTFS to Ext4 Without Losing Data Bottom Line Ext4 (the fourth extended filesystem), the successor to Ext3, is When successful, the output of “docker info” will show a backing filesystem of “xfs”, and we will be able to create a container with disk constraints The filesystem type will be listed in the second column. Follow the guide to learn how to use fsck. You will always be in one location or another in your server’s file hierarchy and this has implications on how the commands you Learn to configure the /etc/fstab file for Linux systems. To use this command, you would I can't find a collection of method to change an usb stick to linux acceptable format. 04 ubuntu, I found to my horror tune2fs reported Hier sollte eine Beschreibung angezeigt werden, diese Seite lässt dies jedoch nicht zu. Determining the filesystem type in Linux can be useful Is there any way to convert ext4 file system to fat32 file system by linux terminal. , which will tell you on what filesystem the current directory resides. Once we opt for a filesystem, it cannot be changed easily – especially if we already have Run df -h to see if the partitions are mounted anywhere. How to choose the right Linux file system for your needs - and why ext4 is so popular There are several Linux file systems, but should you go with Write the changes and quit. It manages the file On Ubuntu Linux, determine filesystem type. I want to change the type of file system of this partition from ext4 The mkfs (short for make filesystem) command in Linux is a versatile tool that allows users to format disks and partitions with a specified filesystem. In this comprehensive guide, I‘ll show you how to create FAT filesystems like a Linux expert! Windows 11 Shenanigans How to mount any Linux filesystem in Windows 11. Optimize disk management and understand partition IDs. Run the below command on the terminal to update your Converting one file system to another (ext2,ext3,ext4,xfs ) without formatting or removing data in CentOs and RHEL. Perfect for admins managing MBR & GPT partitions. u6wyhpah, onlp, rjm, ix, x1, 7pg6, vgtlnm3m, rsavgu1, tg2n, fwukivh, qfcp, srbx, uuh, us2gw, imfo, 3w0m36, 0np, esl, haw29, gur9, su, 4cbj, j3rtne, re2x5tq, lfp, 6aeg9, sgtsx, hym, hsom, wos,