myDSL Extensions (deprecated) :: Need unrar tool for DSL

I need to find a tool to decompress files in DSL. if there is one included, then im sory for this post, but i was unable to find any documentation on it, nor was i able to find any to download. please keep in mind that i am new and DSL is my first experience with linux. any help appreciated

D_underscore.

apt-get install unrar

i'm sorry, but i think your going to have to elaborate on that.

original here.