Linux — Shell Scripting/Conditional Statements

The purpose of this hands-on training is to teach you how to use conditional statements in the shell.

Learning Outcomes

At the end of this hands-on training, you will be able to;

• explain conditional statements in the shell.
• use if statements in shell scripting
• use case statements in shell scripting

Outline

• Part 1 — If Statements
• Part 2 — If Else Statements
• Part 3 — If Elif Else Statements
• Part 4 — Nested If Statements
• Part 5 — Boolean Operations
• Part 6- Case Statements

Part 1 — If Statements

• Unix Shell supports conditional statements that are used to perform different actions on the basis of different conditions.
• A simple if statement essentially states, if a particular test is true, then perform a specified set of actions. If it’s not true, don’t take those acts.
• Create a folder and name it conditional-statements.

mkdir conditional-statements && cd conditional-statements

• Create a script file named…