Linux Ask!

Linux Ask! is a Q & A web site specific for Linux related questions. Questions are collected, answered and audited by experienced Linux users.

Swap last two words in Bash

Answer:

Previous article we mentioned how to swap the last two characters in Bash, now we let you know how to Swap the last two words in Bash

Solution:

# foo bar
[Esc + t]

That's simple, isn't?

Remove the whole line when typing a command in Bash

Answer:

When you are typing a command in Bash shell, , to quickly remove the whole line, press "Ctrl + u" or "Ctrl + c"

This trick is very handy and should be known by all Bash users.

You might also want to read:

  1. http://www.linuxask.com/questions/moving-around-with-bash-short-cut
  2. http://www.linuxask.com/questions/remove-the-last-word-when-typing-a-command-in-bash

Remove the last word when typing a command in Bash

Answer:

When you are typing a command in Bash shell, , to quickly remove the last typed word, press "Ctrl + w"

This trick is very handy and should be known by all Bash users.

Swap last two characters in Bash

Answer:

Sometimes it is easy to mis-type characters in the wrong order, e.g. typed "sl" instead of "ls"

To swap it, use the little know Bash's trick: Ctrl + t

E.g.

# sl
[Ctrl + t]

How to echo a tab in bash?

Answer:

In Bash script, if you want to print out unprintable characters such as tab, you need to use -e flag together with the echo command.

E.g.

echo -e "\tfoo\tbar"