Shell Programming
Initialization Files
Different initialization files are used in different linux flavours.
Shell Environment
In this section, we will be deep dive into linux user defined variables, system variables, shell commands, and more
Exit Status
The exit command may be used to terminate a script. It can also return a value, which is available to the script's parent process.
Positional Parameters
The first word on command line (example: ls), is name of the command to be executed. Everything else on command line is taken as arguments to this command.
Conditions
Shell conditions helps in asserting the expressions. Conditions operators can be mathematical, boolean, realtional operators or shell specific operators.