Basic shell with some of the advance features, made from scratches. School project.
MEMO fd : http://stackoverflow.com/questions/7082001/file-descriptors
red : http://tldp.org/LDP/abs/html/io-redirection.html http://www.cs.colostate.edu/~mcrob/toolbox/unix/redirection http://wiki.bash-hackers.org/syntax/redirection http://wiki.bash-hackers.org/howto/redirection_tutorial