Originally Posted by somupl86
As in windows all the delted items will got to RecycleBin is there any such thing in linux.
Can we retrive the file which got removed from file system(using rm command)
Generally speaking: no.
Long answer: if the file is really important you should turn off your pc NOW, by cutting the electric source. Without even bothering to shut it down properly, because services can write on the disk while shutting down.
Then boot off a livecd which has the photorec tool, and try to find the file using it.
There are other recovery methods that depends on particular fs features. But as said that depends on what fs are you using.