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fsck

/fʌsk/noun, verb, interjection

fsck is a noun meaning “A *nix file system check to detect damage to, or corruption of, files or filesystem structures” (English Wiktionary, September 2026). It is spelled F-S-C-K, and it appears about once in every 39 million words in written English (wordfreq, 2021 data). The plural of fsck is fscks.

What does fsck mean?

noun

  1. 1

    A *nix file system check to detect damage to, or corruption of, files or filesystem structures.

verb

  1. 1

    To run fsck on; to perform a fsck on.

interjection

  1. 1

    vulgarFuck.

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).

How do you pronounce fsck?

  • /fʌsk/
  • /f(ə)sk/
  • /f͡sk/

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Recordings: En-us-fsck.ogg, Wikimedia Commons (author and licence on each file's page).

Forms of fsck

  • fscks plural, present, singular, he/she/it
  • fscking participle, present
  • fscked participle, past

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).

How common is fsck?

Fsck appears about once in every 39 million words in written English, the 191,932nd most frequent word form in the list.

Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).

Where does fsck come from?

Abbreviation of file system check in imitation of fuck.

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).