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25 Cards in this Set
- Front
- Back
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pwd
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print working directory
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hostname
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prints the name of the computer
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mkdir
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creates a directory
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mkdir -p
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creates an entire path (so you dont have to go step by step)
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cd
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change directory
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ls
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list directory
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rmdir
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removes the directory
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pushd
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takes your current directory and pushes it into a list for later use. You can then proceed to explore a different directory until you wan to come back with popd
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touch
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creates a new empty file
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cp
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copy file
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cp -r
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copies directories with files in them
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ls DIR/
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checks whats in a giver directory (the slash is there to make sure it is a directory; if not error message will occur
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mv
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moves the file
Example: Lets say you want to move ex12.txt from the desktop to the temp file: mv ex12.txt ../temp |
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less
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displays content of file in another window
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more
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displays content on the command line
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cat
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streams the file on the command line
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rm
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removes a file
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rm -rf
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removes a directory with files in it
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$|$
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takes the output from the command on the left and 'pipes' it to the command on the right
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$<$
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takes and sends input from the file on the right to the program on the left
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$>$
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takes the output from the command on the left and writes it in the file on the right
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$>>$
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takes the output from the command on the left and writes it in the file on the right
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*
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universal selector
Example. rm *.txt deletes all txt files in the directory cat *.txt > bigfile.txt creates a file with output from all txt files |
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find . -name "*.txt" -print
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find files starting here (.) and named *.txt and print them
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man
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describes what the command does
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