Nano will enable you to edit text files in your VPS on the command line when you are logged in using SSH.
Step1:Installing Nano Text Editor CentOS
yum install nano
you can test it out by writing this command
It should open a new text editor window and if you make any changes to this file, they will be saved under the name test.txt.
To exit Nano, for now, press CTRL + X. It will you ask whether to save changes in the file. Enter y for yes and then press ENTER.
Step2:Using Nano Text Editor
|CTRL + A||Jump to the beginning of the line.|
|CTRL + E||Jump to the end of the line.|
|CTRL + Y||Scroll page down.|
|CTRL + V||Scroll page up.|
|CTRL + G||This command will bring up a Help window which has information regarding all the commands you can use with the Nano editor.|
|CTRL + O||Basically a save command. When used, you will be prompted to edit or verify the desired file name and after pressing enter, it will save your file.|
|CTRL + W||One of the most useful commands. It’s used to search for a specified phrase in your text. It works much like the usual CTRL+F command on other apps and platforms. To search for the same phrase again press ALT + W.|
|CTRL + K||Cuts the entire selected line to the “cut buffer”.|
|CTRL + U||Pastes the text from the “cut buffer” into the selected line.|
|CTRL + J||Justifies the current paragraph.|
|CTRL + C||Shows the current cursor position in the text (line/column/character).|
|CTRL + X||Exits Nano text editor. In case you made any changes to the file, it will additionally prompt a save request.|
|CTRL + R||Open a file with “Read File” command. Inserts file from disk at the current cursor position.|
|CTRL + \||Replace string or a regular expression.|
|CTRL + T||Invoke the spell checker, if available.|
|CTRL + _||Go to specified line and column number|
|ALT + A||Select text. First, move the cursor to the beginning of a specific part of the text which you want to select, then press ALT + A. Now move the cursor with arrow keys to the right, this will start marking/selecting text. You can combine this command with CTRL + K to cut a specific part of the text to the “cut buffer”.|