Use of VI Editor on Linux

(1) VI is used in three ways

command line mode text mode last line mode

(2) command line mode can copy, delete, paste, insert, undo operation

Copy command:

<1> yy | YG indicates the line where the cursor is copied

<2> Nyy (parameter n means copying a few lines)

<3>ygg copy from cursor line to first line

Paste command:

<1> p means paste

Delete command:

<1>DG | DD Delete a row

<2> ndd (parameter n means to delete several rows)

<3>DGG Delete cursor line to first line

<4> x means delete one character

Insert command:

<1> o means jump to the next line where the cursor is inserted

<2> O means jump to the previous line where the cursor is inserted

<3> A indicates the entry starts from the next position of the character in the cursor

<4> A Indicates the entry starts at the end of the line where the cursor is located

<5> I indicates the entry starts at the previous position where the cursor is located.

<6> I indicates input from the beginning of the cursor

Undo command:

<1> u means undo last time

<2> u means to revoke all

(3) The last line mode can be saved, manipulated, replaced operation

Save command:

Use of VI Editor on Linux