More Efficient Bash Tips

Let’s make bash more efficient, useful and powerful.

Using Ctrl-r, it’s a good tip for bash to operate history commands. When you want to find the commands history for your shell, some people use UP key, some people use $history with $grep. Another very good idea is Ctrl-r, just try it, you will find the shell from $ to ‘(reverse-i-search)`’:, you can type anything here, terminal will search your command history.

What is Alt-.? Let’s think about this:

$mkdir /home/my/this/is/a/very/long/long/long/path
$cd /home/my/this/is/a/very/long/long/long/path

Why we need to do this? let’s try the following command:

$mkdir  /home/my/this/is/a/very/long/long/long/path
$cd Alt-.

Aha, now you know, Alt-. get the parameters from the last command, you can use it directly.If there are many parameters, ok, let’s try:

$Alt-0 Alt-.
$Alt-1 Alt-.

It’s very useful.

Ctrl-o? it’s not easy to say, it will execute the last command loop. you should try the following command:

$du -sh
$Ctrl-o
$Ctrl-o

If you have more tips, welcome to share.