Linux shell scripting

Description

Linux shell scripting training course description

A practical introduction to writing scripts using the Bourne shell under any Linux operating system. Applicable for those using the Korn shell as well.

What will you learn

• Read shell scripts.
• Write shell scripts.
• Use different types of quotes.
• Recognise the role of shell scripts within the Linux system.

Linux shell scripting training course details

Linux shell scripting training course contents

• Review of Linux fundamentals
• Basic shell scripts

What does the shell do? How are commands executed? Different shells. what is a shell script? Comments, creating shell scripts.

• Variables

Setting variables, using variables, set, scope, export, sourcing, environmental variables, read.

• Positional parameters

$0 to $9, $#, $* and others. shift parameter substitution.

• Control statements

The test command The if statement while loops for loops The case statement.

• Special characters

Redirection of errors, here documents, quoting.

• Arithmetic in shell scripts

The expr command.

• System shell scripts
• Screen handling

The terminfo database, The tput command.

• Advanced issues (optional session)

Shell functions, getopts, xargs, debugging shell scripts, portability issues. Extras in the Korn shell.

• Optimising shell scripts

The time command, performance tips.