Introduction, shell scripts: 1. A shell script is a sequence of shell commands written in an executable script file. Executing this file instructs the shell to execute all commands in the order of their appearance in the script file. There are many free shell scripting tutorials and books available on the web, e.g. search by entering the keywords "Linux shell script tutorials". Go through one of these tutorials and then write a shell script that displays various system parameters by using shell commands like who, whoami, date, hostname, etc. You would need to write scripts for the following parts