1 2	`tar` `-czvf aps95.tar.gz aps95/` `tar` `-xzvf aps95.tar.gz`

1 2	`tar` `-cvf aps95.tar` `aps95/` `gzip` `aps95.tar`

1 2	`gunzip aps95.tar.gz` `tar` `-xvf aps95.tar`

1	`tar` `-cvf aps95.tar` `aps95/`

1	`tar` `-xvf aps95.tar`

1	`gunzip <` `file.tar.gz \|` `tar` `xvf -`

other

if you don't remember what is inside the compressed archive; this command will show you the contents, again without taking apart the whole thing:

1	`gunzip -c aps95.tar.gz \|` `tar` `-tvf -`

1	`tar` `xjvf cornbread.tar.bz2`

Tar, Gzip