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50 строки
874 B
Plaintext
50 строки
874 B
Plaintext
1. translate (tr)
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tr - translate
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-d - delete
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\! - exclamation should be back-slashed even in brackets
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\n - newline
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tr 'A-Z' 'a-z' - translage upper to lower case
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2. sorting (sort)
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sort -u ...
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sort and uniq togeather
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3. duplicates removal (uniq)
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4. relational database operator (join)
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join -
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-v1 - only in input source 1
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join -v1 my_file vocab_words - get errors (words not from a dictionary)
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5. search the "whatis" database for strings (apropos)
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apropos database | grep (1) - commands that have "database" in description
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6. Test file/directory properties
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test, [
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7. Environment variables
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printenv
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8. Terminal settings
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stty -a
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print all current settings
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stty intr '^t'
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Use C-t (instead of C-c) to interrupt the job
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stty intr '^-'
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Unset interrupt-function at all
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9. Named pipes
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mkfifo <pipe-name>
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