Unix Concepts
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- find
- ./ -name t*" -print"
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- env
- shows current environment set-up
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- du -s
- lists overall directory size
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- du -a
- lists all files and their sizes in present directory and total directory size
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- du
- lists all subdirectories and their sizes and total directory size
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- dig host
- domain name
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- diff f1 f2
- Lists file differences
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- df
- gives disk usage
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- ^-d (ctrl-d)
- close an open window
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- ^-c (ctrl-c)
- kill a running process
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- cp -r D1D2
- copies the directory D1 and renames it D2
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- cp f1 f2
- Copy file f1 into f2
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- compress
- compresses the file filename and puts a .Z extension on it.
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- clear
- clear screen
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- chmod ###
- Changes your protections. The order is: you|group|universe (rwxrwxrwx).
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- cat f1 f2 >f3
- Concatenates f1(file 1) & f2(file 2) into f3(file 3)
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- cat f
- List contents of file