Linux系统操作中 ， 有时会不小心删除重要文件 ， 而能够恢复删除文件的软件有很多 ， ext3grep就是其中的一种 ， ext3grep在使用中需要用到不少命令 ， 下面小编就给大家介绍下Linux使用ext3grep的方法 。
步骤：
目前的最新版本是：ext3grep-0.10.2.tar.gz
我系统的环境是：虚拟机
［root@localhost bin］# uname -a
Linux localhost.localdomain 2.6.18-164.el5 #1 SMP Tue Aug 18 15:51:54 EDT 2009 i686 i686 i386 GNU/Linux
［root@localhost bin］# cat /etc/issue
Red Hat Enterprise Linux Server release 5.4 （Tikanga）
安装很简单
tar zxvf ext3grep-0.10.2.tar.gz
cd ext3grep-0.10.2
。/configure --prefix=/usr/local/ext3grep
make
make install
顺利安装完成 。
然后进入么安装目录看一下 ， 只有一个bin
［root@localhost ext3grep］# pwd
/usr/local/ext3grep
［root@localhost ext3grep］# ls
bin
进到bin里面看一下
［root@localhost ext3grep］# cd bin
［root@localhost bin］# ls
ext3grep
我们可以看一下帮助 ， 下面是部分
［root@localhost bin］#。/ext3grep -h
Running ext3grep version 0.10.2
。/ext3grep： invalid option -- h
No action specified; implying --superblock.
Usage：。/ext3grep ［options］ ［--］ device-file
Options：
--version ， -［vV］ Print version and exit successfully.
--help ， Print this help and exit successfully.
--superblock Print contents of superblock in addition to the rest.
If no action is specified then this option is implied.
--print Print content of block or inode ， if any.
--ls Print directories with only one line per entry.
This option is often needed to turn on filtering.
--accept filen Accept ‘filen’ as a legal filename. Can be used multi-
ple times. If you change any --accept you must remove
BOTH stage* files！
--accept-all Simply accept everything as filename.
--journal Show content of journal.
--show-path-inodes Show the inode of each directory component in paths.
Filters：
--group grp Only process group ‘grp’ 。
--directory Only process directory inodes.
--after dtime Only entries deleted on or after ‘dtime’ 。
--before dtime Only entries deleted before ‘dtime’ 。
--deleted Only show/process deleted entries.
--allocated Only show/process allocated inodes/blocks.
--unallocated Only show/process unallocated inodes/blocks.
--reallocated Do not suppress entries with reallocated inodes.
Inodes are considered ‘reallocated’ if the entry
is deleted but the inode is allocated ， but also when
the file type in the dir entry and the inode are
different.
--zeroed-inodes Do not suppress entries with zeroed inodes. Linked
entries are always shown ， regardless of this option.
--depth depth Process directories recursively up till a depth
of ‘depth’ 。
Actions：
--inode-to-block ino Print the block that contains inode ‘ino’ 。
--inode ino Show info on inode ‘ino’ 。
If --ls is used and the inode is a directory ， then
the filters apply to the entries of the directory.
If you do not use --ls then --print is implied.
--block blk Show info on block ‘blk’ 。
If --ls is used and the block is the first block
of a directory ， then the filters apply to entries
of the directory.
If you do not use --ls then --print is implied.
--histogram=［atime|ctime|mtime|dtime|group］
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