UNIX SHIT
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tar xvf file.tar                              = untar a file
tar cvf file.tar *.* or directory             = make a tar
gunzip file.gz or file.gzip                   =unzip a gzip file
gzip *.* or directory                         =make a gzip file
gcc file.c -o file                            =compile a file
cdmod 700 file 				      =makes a file executable