Day Nineth: Linux basic commands (ii) and C compilation process

One: Linux basic command:

1. Find command finds files such as Find/-name hello to find the file under the name of hello in the root directory.

2. grep command string matches such as grep "Lucy" *-r recursive lookup file containing "Lucy" string file

3. Du command to view the volume of the file

4. > redirect the standard output from the screen to the savels file like ls > savels redirect ls

5, >> attached as LS >> savels will be the result of LS attachment to the savels. If you use > will be to overwrite the file directly.

Two: Vim shortcut key:

1, I insert before the cursor at the beginning of the cursor

2, a after the cursor insert a at the end of the cursor line inserted

3. o Insert the row below the line where the cursor is inserted.

4, 0 move the cursor to the beginning of the line $ move the cursor to the end

5.-Move the cursor to the beginning of the previous line, + move the cursor to the beginning of the next line

6. GG moves the cursor to the beginning of the first line G moves the cursor to the beginning of the last line

7, U revoke ctrl+r anti-revocation

8. Shift+v Visible Line Ctrl +V Visual block

9, bulk increase the first visual block to select the area to increase, capital I input the content to be added, and finally press two times ESC.

10, command line mode input sp+ file name can open two files at the same time, using the ctrl+w+ key or the next key to switch

　　　　　　

　　

　　　　　　

Day Nineth: Linux basic commands (ii) and C compilation process