 Vi
This command allows you to
create new files, or to open and edit existing files.
Simply type the command vi followed by the name of the new
file or the name of any existing file you want to edit.
Example:
if you want to create a new file called "mynewfile",
simply type vi mynewfile.
[joe@server htdocs]$ vi mynewfile
Note that the new file is created in the present
working directory. This means that if you are at /home/joe/htdocs,
then the file mynewfile is created there.
Another example:
If you want to open the file called "old", you can
either type the command vi followed by the full path to the
file called "old", OR you get to the directory where
the file "old" is, then type the command followed
by the filename.
Let's say the file "old" is at /usr/local/bin,
you can do type the full path...
[joe@server htdocs]$ vi /usr/local/bin/old
OR...
...you can get to the directory first, then type vi old ...
[joe@server htdocs]$ cd /usr/local/bin
[joe@server bin]$ vi old
How to edit the opened or created file
1. First, press "i". At the bottom of the window,
you should then see the word "--INSERT--".
2. Move the cursor around by using the arrow keys.
3. Add new words by typing.
4. Delete words by pressing "Backspace" keys.
5. When you are done, press "Ecs".
6. To quit without saving, type :q! (the characters :q! should
apprear at the bottom of the window.), and press "Enter".
7. To quit with saving, type :wq! (the characters :wq! should
apprear at the bottom of the window.), and press "Enter".
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