Adding files to a perforce repository
Opening a file for edit
Reverting changes made to a file
Updating a file to the latest version (head) in the repository
Listing the change history of a files
Comparing a file to latest verion (head)
Comparing a file to the version that a given perforce client has checked out (have revision)
Comparing any given two revisions (through the history)
Annotating a file (i.e. telling from which changelist a given line of code came from )

Add
Edit
Status
Annotate
History
Revert
Update(File)
Update(Dir)
Commit