vi lesson

Vi in-class notes

command mode: doesnt accept illiegal command
o: is input mode, new line

Command Mode:

Copy/Paste/Delete:

[num] dd - delte line
[num] dw - delete word
x - inline delete
u - undo
[num] yy - copies lines to buffer
[num] yw - copies words to buffer
p - paste
shift + p - paste above


Insertion Commands:

o - input mode
i - input mode with insert before cursor
a - appends after the cursor

Movement Commands:

[num]| - got char in line
0 - go to beginning of line
$ - go to end of line
ctrl+u - got to top of file
G - go to end of file
[line number] shift+G - go to specific line

Searching the Buffer:

:/ - search
:? - another search
:/old-pattern/new-pattern
:1/$s/old-pattern/new-pattern/[gc]

Bottom Line Mode:

:w - writes file
:q