Get help in Linux

Get help in Linux
No need to remember everything

For example.

We can see that we don't have to remember everything. We just need to remember Common commands or even the beginning of a command, and then use the help command.

HELP

 

Practice: Check the HELP of the ls command.

MAN

If -- help is not detailed enough, you can use the MAN command.

 

Practice: Use the MAN command to view the help documentation of the ls command.

This document is more like a help document such as CHM.

INFO

 

Practice: Use the ls command to demonstrate

DOC

For the ultimate solution, see DOC.

 

Practice:

 

Finally, if you cannot find the information you need by using the DOC, you can use Google !!!