How to compress a folder in Linux with zip extension
zip is a command line utility for linux,unix,VMS, MSDOS,OS/2, Windows 9x/NT/XP, Minix, Atari,Macintosh, Amiga, and Acorn RISC OS which is used to archive/compressed a set of files,folder. It is analogous to a combination of the Unix commands tar(1) and compress(1) and is compatible with PKZIP (Phil Katz’s ZIP for MSDOS systems).
ZIP command compressed the set of files and unzip UN-compressed.
aon@ox-Vostro-1550:~$ zip -r foo.zip foo
[Note: foo is a directory and archive name is foo.zip]
To UN-compressed foo.zip run bellow command
aon@ox-Vostro-1550:~$ unzip foo.zip
Along with compression zip can be used to password protected archive.
aon@ox-Vostro-1550:~$ zip -e -r foo.zip foo
It will ask password for encryption.