Tech Support Notes

Compress / Uncompress

uncompress (add -v for verbose)

tar.bz2 =  tar xvfj   
tar.gz =  tar xvzf  
.gz = gunzip  
.rar = unrar e

compress (add -v for verbose)

.tar.bz2 
.tar.gz = tar czf /path/to/destination.tar.gz /from/source/
.gz =
.rar = 
.zip