1.gedit
Text editor, the middle letter is pronounced ai. Create a txt file and edit it in text mode.
Example: Create a text file named yan and open it in direct text mode.
2.rm
Delete Files.
Example: Delete the txt file named yan.
3.touch
Create a file.
Example: Create a file named yan.
4.vim
Edit the file.
Example: Edit the file created by touch.
After entering, i enter insert mode, after editing, ESC view mode, :wq save enter and exit.
