Just because a Unix command is one those most of us learn within the first few hours of our exposure to a Unix/Linux OS doesn’t mean we have grasped the many ways in which it can be used to make our ...

Unix was developed as a command line interface in the early 1970s with a very rich command vocabulary. DOS followed more than a decade later for the IBM PC, and DOS commands migrated to Windows.

One of the ways to determine how useful a directory and its contents are or to produce a summary that gives you a sense of what the contents are about is to collect statistics on the number of files, ...

is the name of a UNIX command, executable program, or shell script to which you want to route output or from which you want to read input. The command(s) must be enclosed in either double or single ...