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# **extundelete**
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用法：extundelete [options] [--] device-file
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```bash
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--superblock Print contents of superblock in addition to the rest.
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If no action is specified then this option is implied.
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--journal Show content of journal.
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--after dtime Only process entries deleted on or after 'dtime'.
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--before dtime Only process entries deleted before 'dtime'.
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Actions:
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--inode ino Show info on inode 'ino'.
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--block blk Show info on block 'blk'.
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--restore-inode ino[,ino,...]
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Restore the file(s) with known inode number 'ino'.
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The restored files are created in ./RECOVERED_FILES
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with their inode number as extension (ie, file.12345).
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--restore-file 'path' Will restore file 'path'. 'path' is relative to root
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of the partition and does not start with a '/'
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The restored file is created in the current
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directory as 'RECOVERED_FILES/path'.
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--restore-files 'path' Will restore files which are listed in the file 'path'.
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Each filename should be in the same format as an option
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to --restore-file, and there should be one per line.
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--restore-directory 'path'
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Will restore directory 'path'. 'path' is relative to the
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root directory of the file system. The restored
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directory is created in the output directory as 'path'.
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--restore-all Attempts to restore everything.
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-j journal Reads an external journal from the named file.
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-b blocknumber Uses the backup superblock at blocknumber when opening
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the file system.
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-B blocksize Uses blocksize as the block size when opening the file
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system. The number should be the number of bytes.
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--log 0 Make the program silent.
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--log filename Logs all messages to filename.
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--log D1=0,D2=filename Custom control of log messages with comma-separated
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Examples below: list of options. Dn must be one of info, warn, or
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--log info,error error. Omission of the '=name' results in messages
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--log warn=0 with the specified level to be logged to the console.
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--log error=filename If the parameter is '=0', logging for the specified
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level will be turned off. If the parameter is
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'=filename', messages with that level will be written
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to filename.
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-o directory Save the recovered files to the named directory.
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The restored files are created in a directory
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named 'RECOVERED_FILES/' by default.
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```
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