描述：Linux默认自带ZIP压缩，最大支持4GB压缩，RAR的压缩比大于4GB. 
流程：下载 》安装 》 使用 
-------------------------------------------------- 下载 
# wget http://www.rarsoft.com/rar/rarlinux-x64-5.2.1b1.tar.gz
--16:01:50--  http://www.rarsoft.com/rar/rarlinux-x64-5.2.1b1.tar.gz
Resolving www.rarsoft.com... 217.70.129.242 
Connecting to www.rarsoft.com|217.70.129.242|:80... connected. 
HTTP request sent, awaiting response... 200 OK 
Length: 833828 (814K) [application/x-gzip] 
Saving to: `rarlinux-x64-5.2.1b1.tar.gz‘ 

100%[=======================================>] 833,828     34.5K/s   in 29s    

16:02:22 (28.2 KB/s) - `rarlinux-x64-5.2.1b1.tar.gz‘ saved [833828/833828] 

-------------------------------------------------- 查看目录列表 
# ls 
rarlinux-3.9.3.tar.gz 

-------------------------------------------------- 解压 tar.gz 
# tar -xzvf rarlinux-x64-5.2.1b1.tar.gz
rar/ 
rar/readme.txt 
rar/default.sfx 
rar/whatsnew.txt 
rar/license.txt 
rar/order.htm 
rar/rar 
rar/unrar 
rar/rar_static 
rar/technote.txt 
rar/rarfiles.lst 
rar/makefile 
rar/rar.txt 

-------------------------------------------------- 查看目录列表 
# ls 
rar 
rarlinux-x64-5.2.1b1.tar.gz

-------------------------------------------------- 切换目录 
# cd rar 

-------------------------------------------------- 编译文件 
# make 
mkdir -p /usr/local/bin 
mkdir -p /usr/local/lib 
cp rar unrar /usr/local/bin 
cp rarfiles.lst /etc 
cp default.sfx /usr/local/lib 

-------------------------------------------------- 安装编译文件 
# make install 
mkdir -p /usr/local/bin 
mkdir -p /usr/local/lib 
cp rar unrar /usr/local/bin 
cp rarfiles.lst /etc 
cp default.sfx /usr/local/lib 

-------------------------------------------------- 执行rar帮助命令 
# rar --help 
rar: /lib/libc.so.6: version `GLIBC_2.7‘ not found (required by rar) 

-------------------------------------------------- 添加全局命令 
# cp -f rar_static /usr/local/bin/rar 
cp: overwrite `/usr/local/bin/rar‘? y 

-------------------------------------------------- 即可访问 rar 命令 
# rar --help 
RAR 3.93   Copyright (c) 1993-2010 Alexander Roshal   15 Mar 2010 
Shareware version         Type RAR -? for help 

Usage:     rar <command> -<switch 1> -<switch N> <archive> <files...> 
               <@listfiles...> <path_to_extract\> 

<Commands> 
  x             Extract files with full path 

-------------------------------------------------- 解压所有文件包括路径 
# rar x filename.rar

转自http://www.cnblogs.com/mfryf/archive/2012/05/22/2513679.html

linux rar安装