One Day One GNU/Linux Command
=============================
fsck -- Linux File System Check and Repair Tool.
Summary:
'fsck' is used to check and optionally repair one or more Linux file
systems. If no file-systems are specified on the command line, fsck
will default to checking file-systems in /etc/fstab file.
In actuality, fsck is simply a front-end for the various file system
checkers (fsck.cramfs, fsck.ext2, fsck.ext3, fsck.jfs, fsck.msdos,
fsck.reiserfs, fsck.vfat, ...) available under GNU/Linux OS.
Examples:
# fsck -- Check all file systems available in /etc/fstab.
$ fsck -N -- Don't execute. Just show what would be done.
# fsck -V -- Show detailed output, including all file system-specific
commands that are executed.
# fsck -a -- Automatically repair the file system without asking for
confirmations. (By default, ask for conformation).
# fsck /dev/hda2 -- Check the HDA2 device/partition.
# fsck /usr/local -- Check the /usr/local mount point.
# fsck LABEL=usr -- Check file-system, which has a label matching
to "usr".
Read: man fsck
HTH :)
--
Bharathi S
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