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UNIX in a Nutshell: System V Edition

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UNIX Commands
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Print a character, word, and line count for files . If no files are given, read standard input. See other examples under ls and sort .



Print character count only.


Print line count only.


Print word count only.


Count the number of users logged in:

who | wc -l

Count the words in three essay files:

wc -w essay.[123]

Count lines in variable $file (don't display filename):

wc -l <$file

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