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| W |
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| | w - display information about currently logged-in users (  ) |
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| | w - who is logged in, and what are they doing ( ) |
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| | wait - shell built-in function to wait for other jobs or processes ( ) |
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| | wc - display a count of lines, words and characters in a file ( ) |
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| | what - extract SCCS version information from a file ( ) |
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| | whatis - describe command ( ) |
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| | whence -- shell built-in functions to set/get attributes and values for shell variables and functions ( ) |
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| | whereis - locate the binary, source and manual page files for a command ( ) |
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| | which - locate a command; display its pathname or alias ( ) |
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| | while -- shell built-in functions to repetitively execute a set of actions while/until conditions are evaluated TRUE ( ) |
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| | who is logged in - w ( ) |
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| | who - who is on the system ( ) |
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| | whoami - display effective user name ( ) |
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| | whocalls - report on the calls to a specific procedure. ( ) |
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| | whois - Internet user name directory service ( ) |
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| | write - write to another user ( ) |
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| | write file checksums and sizes - cksum ( ) |
