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E2fsprogs 1.41.3  

2009-01-13 11:22:09|  分类: linux-system |  标签: |举报 |字号 订阅

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The E2fsprogs package contains the utilities for handling the ext2 file system. It also supports the ext3 journaling file system.

libblkid
    Contains routines for device identification and token extraction
libcom_err
    The common error display routine
libe2p
    Used by dumpe2fs, chattr, and lsattr
libext2fs
    Contains routines to enable user-level programs to manipulate an ext2 file system
libss
    Used by debugfs
libuuid
    Contains routines for generating unique identifiers for objects that may be accessible beyond the local system



uuidgen
    UUID means Universally Unique IDentifier,which standardized by the Open Software Foundation (OSF) as part of the Distributed Computing Environment (DCE). It consists of 32 hexadecimal digits, displayed in 5 groups separated by hyphens, for a total of 36 characters.
    uuidgen can creates new UUIDs. Each new UUID can reasonably be considered unique among all UUIDs created, on the local system and on other systems, in the past and in the future
uuidd
    A daemon used by the UUID library to generate time-based UUIDs in a secure and guranteed-unique fashion.


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


findfs
    Finds a file system by label or Universally Unique Identifier (UUID)
debugfs
    A file system debugger; it can be used to examine and change the state of an ext2 file system


mke2fs
    Creates an ext2 or ext3 file system on the given device
e2label
    Displays or changes the file system label on the ext2 file system present on a given device
lsattr
    Lists the attributes of files on a second extended file system
dumpe2fs
    Prints the super block and blocks group information for the file system present on a given device
blkid
    A command line utility to locate and print block device attributes

chattr
    Changes the attributes of files on an ext2 file system; it also changes ext3 file systems, the journaling version of ext2 file systems
tune2fs
    Adjusts tunable file system parameters on an ext2 file system
resize2fs
    Can be used to enlarge or shrink an ext2 file system


badblocks
    Searches a device (usually a disk partition) for bad blocks
filefrag
    Reports on how badly fragmented a particular file might be
fsck
    Is used to check, and optionally repair, file systems
e2fsck
    Is used to check, and optionally repair ext2 file systems and ext3 file systems
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.
e2image
    Is used to save critical ext2 file system data to a file
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


mkfs.ext2
    By default creates ext2 file systems. This is a hard link to mke2fs.
mkfs.ext3
    By default creates ext3 file systems. This is a hard link to mke2fs.
mkfs.ext4
    By default creates ext4 file systems. This is a hard link to mke2fs.
mkfs.ext4dev
    By default creates ext4 development file systems. This is a hard link to mke2fs.

fsck.ext2
    By default checks ext2 file systems. This is a hard link to fsck.
fsck.ext3
    By default checks ext3 file systems. This is a hard link to fsck.
fsck.ext4
    By default checks ext4 file systems. This is a hard link to fsck.
fsck.ext4dev
    By default checks ext4 development file systems. This is a hard link to fsck.
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