how to installl unrar command

Install unrar command
Under Debian Linux, you need to type apt-get as follows to install unrar program:
# apt-get install unrar
If you are using Fedora core Linux then use yum command as follows (see discussion below):
# yum install unrar
If you are using FreeBSD, use:
# pkg_add -v -r unrar
If any of above, methods is not working for you, download binary package from official rarlab site:
$ cd /tmp
$ wget http://www.rarlab.com/rar/rarlinux-3.6.0.tar.gz
Untar file
$ tar -zxvf rarlinux-3.6.0.tar.gz
Both unrar and rar commands are located in rar sub-directory. Just go to rar directory:
$ cd rar
$ ./unrar
Now copy rar and unrar to /bin directory:
# cp rar unrar /bin
How to use unrar
unrar command supports various options below are common options that you need to use everyday.
Task: To open rar (unpack) file in current directory type command:
$ unrar e file.rar
Please note that replace file.rar filename with your actual filename.
Task: List (l) file inside rar archive:
$ unrar l file.rar
Task: To extract (x) files with full path type command:
$ unrar x file.rar
(D) To test (t) integrity of archive, file type command:
$ unrar t file.rar
　
How do I open rar file under Windows XP/NT/2000?
Windows XP or NT/2000 user
If you are using Windows XP then I recommend to download Winrar. It is free download ( Free to try License) software.