Welcome to YDLIDAR 4ROS LiDAR repository

4.Ubuntu common editors

4.1Editor

4.1.1、vim

vim is an upgraded version of vi. The most common difference is that it can display some special information of system files in multiple colors.

Installation command


sudo apt install vim

Three main modes

Command mode (edit mode): Default mode, move cursor, cut/paste text (interface performance: file name is displayed in the lower left corner or is empty)

Insert mode (input mode): Modify text (interface performance: -INSERT– is displayed in the lower left corner) In insert mode, press the ESC key to return to command mode

Last line mode (extended mode): save, exit, etc. (Interface performance: -VISUAL– displayed in the lower left corner) In last line mode, press the ESC key twice in succession to return to last line mode.

Mode switch

Switch command mode to edit mode


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i    # Insert mode to enter editing mode
a    #Append mode to enter editing mode
o    # Start editing at the beginning of the next line of the current line
O     # Start editing at the beginning of the line above the current line

Switch command mode to last line mode

 Ubuntu common commands
Ubuntu software operation commands