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14 Cards in this Set
- Front
- Back
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Which metacharacter is used to pipe stdout from one commandto stdin of another?
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example, # ls -l | more |
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Which metacharacter is used to obtain stdin in from a file?
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<
example, # tr r R < file-data |
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Which metacharater is used to redirect stdout to a file instead of the screen?
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>
example, # cat /etc/passwd > mydata |
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Command used to create shortcuts for longer command strings.
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alias
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Command used to display environment variables?
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echo
example, # echo $PATH |
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Command used to display a list of exported variables present in the current shell.
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env
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Command used to send variables to subshells.
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export
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Command used to search text files for string patterns of characters.
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grep
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Command used to view all variables in the shell.
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set
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Command used to sort lines within a file.
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sort
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Command used to take input from stdin and send to both stdout and a file.
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tee
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Command used to transform or change characters received from stdin.
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tr
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Command used to count the number of lines, characters or words within a file.
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wc
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Command used to number lines within a file.
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nl
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