Shell scripts are programs that contain commands to be executed by a shell, which is a command-line interpreter. Long repetitive series of commands are compiled into a single script, thereby largely reducing repetitive work. Shell scripts are used for program execution, file manipulation, and printing text. One of the common uses of shell scripting is to program operating systems of UNIX, Windows, Apple, etc. When it comes to system level operations, shell scripting is considered as one of the easiest programming languages. The first shell was developed by Ken Thompson for UNIX in 1971. In 1977, Bourne shell was created […]