ls List information about the files in the given directory (current directory by default).
Probably the most used command of all.
List files in order of modification time
Shellspells is a resource to help you master the command line. Whether you use a GNU/Linux distribution (such as Debian, Ubuntu or RedHat), BSD, Solaris or any other type of UNIX, the power of the command line is essential to harnessing the full potential of your OS.