July 5, 2021

The export command is a built-in command of the shell. Environmental variables are exported in it as child processes. The existing environment variables are not affected. It is also known as the bash bullets command. The export command…

The source seems to be an integrated shell instruction that reads and executes the contents of a document (commonly a bundle of instructions) that is provided as a parameter within the present shell script. Upon obtaining the contents of…

The ‘pipe’ command is used in both UNIX and Linux operating systems. Pipes help combine two or more commands and are used as input/output concepts in a command. In the Linux operating system, we use more than one pipe in command so that the…