1, *.tar
tar xvf *.tar
tar cvf *.tar dirname
2, *.gz
gunzip *.gz
gzip dirname
3, *.Z
uncompress *.Z
compress *.Z dirname
4, *.tar.Z
tar Zxvf *.tar.Z
tar Zcvf *.tar.Z dirname
5,*.zip
unzip *.zip
zip *.zip dirname
6, *.rar
rar x *.rar
rar a *.rar dirname
7, *.bz2
bzip2 -d *.bzw
bzip2 -z filename