Learn Linux Shell Scripting - Fundamentals of Bash 4.4

Creating your own aliases

Bash allows you to create your own aliases for commands. We've seen this introduced in Chapter 14, Scheduling and Logging, but for day-to-day tasks, it is worth exploring a little bit further. The syntax is pretty straightforward:

alias name=value

In this syntax, alias is the command, name is how the alias will be called by you on the Terminal, and value is what is actually called when you call the alias. For interactive work, this could look like the following:

reader@ubuntu:~$ alias message='echo "Hello world!"'reader@ubuntu:~$ messageHello world!

We created the alias message, which actually does echo "Hello world!" for us when called. For those of you with a little bit more experience, you've no doubt been using ...