Compress / Uncompress File

Gunzip (.gz)

Compress

-k keeps the original

gzip -k file_name

Extract a file compressed with gunzip (.gz)

gunzip -dk file_name.gz

Extract a file compressed with tar + gunzip (tar.gz)

tar -xvfz filename.tar.gz

Extract a file compressed with bzip2 (.bz2)

bzip2 -d file_name.bz2
tar xvf filename_tar

Zip files (.zip)

Compress

This puts the files named file1, file2, and file3 into a new zip archive called myzip.zip

zip myzip file1 file2 file3

Uncompress

Unzip files

unzip myzip.zip -d /path_to_extract

.tar

Compress a directory using tar

tar -zcvf archive.tar.gz directory/ 

Extract a file compressed with tar

tar xvf filename.tar

7z (.7z)

Compress file with password

7z a filename.7z -pMYPASSWORD document.pdf

Compress many files

7z a test.7z test1.pdf test2.pdf

Extract file

7z e filename.7z

.xz

Uncompress .xz files

unxz <filename>.xz

.rar

Install unrar

sudo apt install unrar

Uncompress .rar files

unrar e file_name.rar

unrar e file_name.rar /path_for_extraction/