Alcatel-Lucent 7950 XRS Series, Configuration Manual

Page: 44 / 502

VI Editor
Page 44 7950 SR OS Basic System Configuration Guide
Using the vi Commands
Use the following commands to start and end
vi
edit sessions, move around in a file, enter new
text, modify, move, and delete old text, as well as read from and write to files other files. Although
there are numerous
vi
commands, only a few are usually sufficient to
vi
users. The following
tables list
vi
commands.
• Cutting and Pasting/Deleting Text in vi on page 44
• Inserting New Text on page 44
• Moving the Cursor Around the Screen on page 45
• Replacing Text on page 45
Table 11: Cutting and Pasting/Deleting Text in vi
vi Command Description
" Specify a buffer to be used any of the commands using buffers. Follow the
"
character with a letter or a number, which corresponds to a buffer.
d Deletes text. “
dd
” deletes the current line. A count deletes that many lines.
Whatever is deleted is placed into the buffer specified with the
"
command. If
no buffer is specified, then the general buffer is used.
D Delete to the end of the line from the current cursor position.
p Paste the specified buffer after the current cursor position or line. If no buffer
is specified (with the
"
command.) then 'p' uses the general buffer.
P Paste the specified buffer before the current cursor position or line. If no buffer
is specified (with the
"
command.) then
P
uses the general buffer.
x Delete character under the cursor. A count tells how many characters to delete.
The characters will be deleted after the cursor.
X Delete the character before the cursor.
y Yank text, putting the result into a buffer.
yy
yanks the current line. Entering a
number yanks that many lines. The buffer can be specified with the
"
command. If no buffer is specified, then the general buffer is used.
Y Yank the current line into the specified buffer. If no buffer is specified, then
the general buffer is used.
Table 12: Inserting New Text
vi Command Description
A Append at the end of the current line.
I Insert from the beginning of a line.