「e2fsprogs」

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E2fsprogs,包含了用于处理EXT2文件系统的程序。同时也支持EXT3和EXT4类型的文件系统。

安装

从发行版的源中安装

#!/bin/bash

# Ubuntu 16.04.2 LTS
apt-get install e2fsprogs

从源码中编译安装
参考LFS/E2fsprogs-1.43.1: http://www.linuxfromscratch.org/lfs/view/7.10/chapter06/e2fsprogs.html

安装的可执行程序文件

badblocks
Searches a device (usually a disk partition) for bad blocks

chattr
Changes the attributes of files on an ext2 file system; it also changes ext3 file systems, the journaling version of ext2 file systems

compile_et
An error table compiler; it converts a table of error-code names and messages into a C source file suitable for use with the com_err library

debugfs
A file system debugger; it can be used to examine and change the state of an ext2 file system

dumpe2fs
Prints the super block and blocks group information for the file system present on a given device

e2freefrag
Reports free space fragmentation information

e2fsck
Is used to check, and optionally repair ext2 file systems and ext3 file systems

e2image
Is used to save critical ext2 file system data to a file

e2label
显示或更改给定设备上存在的ext2/ext3/ext4文件系统上的文件系统的标签。

e2undo
Replays the undo log undo_log for an ext2/ext3/ext4 filesystem found on a device [This can be used to undo a failed operation by an e2fsprogs program.]

e4defrag
Online defragmenter for ext4 filesystems

filefrag
Reports on how badly fragmented a particular file might be

fsck.ext2
By default checks ext2 file systems and is a hard link to e2fsck

fsck.ext3
By default checks ext3 file systems and is a hard link to e2fsck

fsck.ext4
By default checks ext4 file systems and is a hard link to e2fsck

fsck.ext4dev
By default checks ext4 development file systems and is a hard link to e2fsck

logsave
Saves the output of a command in a log file

lsattr
Lists the attributes of files on a second extended file system

mk_cmds
Converts a table of command names and help messages into a C source file suitable for use with the libss subsystem library

mke2fs
Creates an ext2 or ext3 file system on the given device

mkfs.ext2
By default creates ext2 file systems and is a hard link to mke2fs

mkfs.ext3
By default creates ext3 file systems and is a hard link to mke2fs

mkfs.ext4
By default creates ext4 file systems and is a hard link to mke2fs

mkfs.ext4dev
By default creates ext4 development file systems and is a hard link to mke2fs

mklost+found
Used to create a lost+found directory on an ext2 file system; it pre-allocates disk blocks to this directory to lighten the task of e2fsck

resize2fs
Can be used to enlarge or shrink an ext2 file system

tune2fs
Adjusts tunable file system parameters on an ext2 file system

参考文献