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Useful Unix Commands
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Saved by PBworks
on February 19, 2007 at 2:34:15 pm
cd | change directory | pushd | flip between two different directories | cp | copy | mv | move | rm | remove and erase | ls | list what is in the directory | ls -l | list what is in directory with more detail | pwd | find out where you were | mkdir | make new directory | chown | change owner | chown -R | change owner of everything in specified directory | su | switch user | chgrp | change group ownership | chgrp -R | change group ownership of everything in specified directory | diff | compare two files | Ctrl + Z | suspends program | fg | reactivates program/brings suspended back into foreground | ls -alt | lists permission of all files in a directory | chmod | changes permissions depending on what numbers you put in using chmod ### filename command. See table below for permission numbers. | wc | count number of lines, words, and characters in a (text) file |
# | Permission | 7 | full | 6 | read and write | 5 | read and execute | 4 | read only | 3 | write and execute | 2 | write only | 1 | execute only | 0 | none |
Useful Unix Commands
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