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Info and help commands

There are several commands in matlab to help you get information and find out about your set-up.

ver :-: Tells you which versions of which toolboxes (libraries) are installed.
help command :-: tells you about the command.
type command :-: tells you whether the command is a script or is built into matlab. If it's a script, it's displayed.
which command :-: Locates functions and files. `which fft' tells you whether fft is a built-in command, a function or doesn't exist.
lookfor :-: A keyword search. `lookfor fft' finds commands that deal with fft's and briefly describes them.
helpdesk :-: Starts a WWW browser to display matlab documentation.
path :-: Prints the current matlab PATH. This is a list of directories. When you type a command, matlab looks in these directories for the corresponding file.