10 coolest Linux single-line commands

The following are the 10 coolest Linux single-line commands from the Commandlinefu website voted by users. Sudo !! Run the previous command in the root account. Python-mSimpleHTTPServer uses Python to build a simple Web server. The following is the 10 coolest Linux single-line commands from the Commandlinefu website voted by users.

1. Sudo !!

   Run the previous command in the root account.

2. Python-m SimpleHTTPServer

   Use Python to build a simple Web server that can be accessed through http: // $ HOSTNAME: 8000.

3. : W! Sudo tee %

   You do not need to save the edited file in Vim.

4. Cd-

   Change to the last accessed directory.

5. ^ Foo ^ bar

   Replace foo with bar in the previous command and execute.

6. Cp filename {,. bak}

   Quickly back up or copy files.

7. Mtr google.com

   Traceroute + ping.

8. ! Whatever: p

   Search for command history, but do not execute.

9. $ Ssh-copy-id user @ host

   Copy ssh keys to user @ host to enable password-less SSH login.

10. Ffmpeg-f x11grab-s wxga-r 25-I: 0.0-sameq/tmp/out. mpg

    Recording a video on a Linux desktop.