Command-line help is always available
There are two options for getting help on the Perforce command line.
P4 Command Reference Guide
This is available from the Perforce website in two formats:
Notice that the URLs are not version specific, so you will get the latest version of the particular files.
As shown previously, the HTML version of the help includes a complete list of all Perforce commands. The specific page for each command explains command line flags and cross links to other ...