Command	What It Does
Control-L	Clear a scrambled screen. Also called refreshing the screen.
:r filename	Insert a file at line after cursor
:16 r filename	Insert file after line 16

Some documents can get quite large, making it difficult to find text in them. The vi editor delivers the capability to search and edit text in your documents using the following commands:

Command	What It Does
/string	Search forward for string
?string	Search backward for string
n	Find next occurrence of string
N	Find previous occurrence of string
:%s/old/new/g	Search and replace globally