VIM Editor

How to replace one string with another in vi editor using sed command?

:%s/stringtofind/stringtoreplacewith/g

e.g.

:%s/Will/William/g

g is for replacing all occurrences

How to Comment a block of lines in vim editor?

Commenting Multiple Lines in VIM Editor (credits to Bibin Wilson)

Follow the steps given below for commenting multiple using the terminal.

1. Ppress ESC
2. Go to the line from which you want to start commenting.
3. Press ctrl + v, this will enable the visual block mode.
4. Use the down arrow to select multiple lines that you want to comment.
5. Press SHIFT + I to enable insert mode.
6. Press # and it will add a comment to the first line.
7. Press ESC and wait for a second, # will be added to all the lines.

Uncommenting Multiple Lines

1. Press CTRL + V to enable visual block mode.
2. Move down and select the lines till you want to uncomment.
3. press x and it will uncomment all the selected lines at once.