Continuing the discussion from How to use Shell (basic commands):
I’m curious if the community can point to some nice reads on this?
One of my favourites : The Linux Command Line By William Shotts.
direct link : https://sourceforge.net/projects/linuxcommand/files/TLCL/13.07/TLCL-13.07.pdf/download2
info: http://linuxcommand.org/index.php1