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Wiktionary
fsck

interj. (context Internet slang text messaging vulgar euphemistic English) fuck n. (context computing English) A *nix file system check or the tool http://en.wikipedia.org/wiki/fsck that performs such a check.

Wikipedia
Fsck

The system utility fsck (for "file system consistency check") is a tool for checking the consistency of a file system in Unix and Unix-like operating systems, such as Linux and OS X. A similar command, CHKDSK exists in Microsoft Windows.

Fsck (album)

fsck is the second full-length release by Farmers Manual, published in August 1997 on Tray (a sister-label of Ash International). A 2nd edition was reprinted in 1999 on OR (another sister-label of Ash International).