Originally Posted by fakie_flip
what is the difference between 7z and 7za? which one should i use?
"Differences between 7z, 7za and 7zr binaries
The package includes three binaries, /usr/bin/7z, /usr/bin/7za and /usr/bin/7zr. Their manpages explain the differences:
7z uses plugins to handle archives.
7za is a stand-alone executable. 7za handles less archive formats than 7z, but does not need any others.
7zr is a stand-alone executable. 7zr handles less archive formats than 7z, but does not need any others. 7zr is a "light-version" of 7za that only handles 7z archives."