7zip

Install p7zip and/or p7zip-full packages.

To compress to a 7-zip file:

7za a file.7z myfiles/

To decompress a 7-zip file (may need to install package):

7za e file.7z

To compress and encrypt (with password XXXXXXXX) to a 7-zip file:

7za a -mem=AES256 -pXXXXXXXX file.tz myfiles/