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Last active July 6, 2021 07:55
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Linux: where vs whereis vs which vs whatis
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whatis_whereis_which.md

whatis

  • whatis - display one-line manual page descriptions
  • whatis -w 'ab*' - search using wildcards
  • whatis -r '^ab' - search using regexps

whereis

  • whereis - locate the binary, source, and manual page files for a command
  • whereis -b vagrant - locate binary
  • whereis -m vagrant - locate man pages
  • whereis -s vagrant - locate source

which

  • which - locate a command(executables)
  • which -a echo - all

locate

  • find files by name very fast

find

  • search for files in a directory hierarchy (with specific criteria)
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