sudo apt-get install unrarYou will get
Reading package lists... Done Building dependency tree Reading state information... Done The following NEW packages will be installed: unrar 0 upgraded, 1 newly installed, 0 to remove and 0 not upgraded. Need to get 96.9kB of archives. After this operation, 246kB of additional disk space will be used. Get:1 http://au.archive.ubuntu.com hardy/multiverse unrar 1:3.7.8-1 [96.9kB] Fetched 96.9kB in 2s (34.9kB/s) Selecting previously deselected package unrar. (Reading database ... 117487 files and directories currently installed.) Unpacking unrar (from .../unrar_1%3a3.7.8-1_i386.deb) ... Setting up unrar (1:3.7.8-1) ...You can see that it requires the multiverse repository. So if your installation complains something, try to update your source.list first. To unrar .rar files, simply use command:
user@www$ unrar xSee the man page for more options:
user@www$ man unrarHave fun….