UNIX

Try to create the longest useful command using the pipe operator. Useful means that something of evident value has been achieved in the process. A list of all of the commands (10+) with including - a description of the command and the output and input of the command. Also include an example of the command in use.

Example:

grep - a pattern matching program that returns all lines in the input which match the pattern. Input is a stream of text.

grep -i "hello" helloWorld.txt