1 $ cd ~/learncli
 2 $ ls -F
 3 art/  cattxt/  foxtxt/  right/
 4 
 5 $ mkdir backup/
 6 
 7 $ zip -r ./backup/art.zip art/
 8 
 9 $ tar -zcvf ./backup/cattxt.tar.gz cattxt/
10 
11 $ tar -jcvf ./backup/foxtxt.tar.bz2 foxtxt
12 
13 $ cd backup/
14 $ ls
15 
16 $ unzip art.zip
17 
18 $ tar -zxvf cattxt.tar.gz
19 
20 $ tar -jxvf foxtxt.tar.bz2
21 
22 $ ls