Unix Commands and description of ls, logout, mkdir, rmdir, rm,cd, man, talk, write, pico, pine, more, sz, rz, telnel, ftp, archie, irc, lynx, gopher, tin, trn, passwd,chfn, chsh, grep, tail, who, w, finger, df, du, chmod, bc, make, gcc, gzip, zip, tar, lharc, lzh, lha, dos2unix, unix2dos