In vi you can set options to change the editor's behavior using the ex :set command. For example, the search commands are normally case-sensitive; to change this use the :set ignorecase or :set ic ...

The Linux set command offers a lot of interesting options for working with your scripts.

Figure 1. Vim Help Window The :help command displays a help window. For specific help :help / displays the help text for the search (/) command (see Figure 1). You can move through this text using the ...