when I try using tar -xvj [file name] then hit enter it just hangs and does not unzip file.. I've tried zipping just a really small text file and it zipped into a .tar.bz file then when I tried to unzip it again it still hangs at the command line --- yet when I use the app archive manager it unzips the files no problem what gives?
You're missing a parameter (notice the f):
If you feel inclined to play a bit, try redirecting your tar.bz2 file into tar's standard input:
this should also work, but it's more traditional to specify the file with -f.
Note that -f has to be at the very end because the filename is an argument to the -f option. If you do