p4 cmd study

1. changes

list all changelist for specified file(s)

p4 changes //xxx/yyy/.../*

2. C:\Users\gqyu>p4 help

    Perforce -- the Fast Software Configuration Management System.

    p4 is Perforce's client tool for the command line.  Try:

        p4 help simple          list most common commands
        p4 help commands        list all standard commands
        p4 help command         help on a specific command

        p4 help administration  help on specialized administration topics
        p4 help charset         help on character set translation
        p4 help configurables   list server configuration variables
        p4 help environment     list environment and registry variables
        p4 help filetypes       list supported file types
        p4 help jobview         help on jobview syntax
        p4 help revisions       help on specifying file revisions
        p4 help streamintro     introduction to streams
        p4 help usage           generic command line arguments
        p4 help views           help on view syntax

    The full user manual is available at http://www.perforce.com/manual.

    Server 2012.2/585708.

3.
C:\Users\gqyu>p4 help commands

    Perforce client commands:

        add          Open a new file to add it to the depot
        annotate     Print file lines along with their revisions
        attribute    Set per-revision attributes on revisions
        branch       Create or edit a branch specification
        branches     Display list of branches
        browse       Browse for a list of zeroconf registered Perforce servers
        change       Create or edit a changelist description
        changes      Display list of pending and submitted changelists
        changelist   Create or edit a changelist description
        changelists  Display list of pending and submitted changelists
        client       Create or edit a client specification and its view
        clients      Display list of known clients
        copy         Schedule copy of latest rev from one file to another
        counter      Display, set, or delete a counter
        counters     Display list of known counters
        cstat        Dump change/sync status for current client
        delete       Open an existing file to delete it from the depot
        depot        Create or edit a depot specification
        depots       Display list of depots
        describe     Display a changelist description
        diff         Display diff of client file with depot file
        diff2        Display diff of two depot files
        dirs         List subdirectories of a given depot directory
        edit         Open an existing file for edit
        filelog      List revision history of files
        files        List files in the depot
        fix          Mark jobs as being fixed by named changelists
        fixes        List what changelists fix what job
        flush        Fake a 'p4 sync' by not moving files
        fstat        Dump file info
        grep         Print lines from text files matching a pattern
        group        Change members of a user group
        groups       List groups (of users)
        have         List revisions last synced
        help         Print the requested help message
        info         Print out client/server information
        integrate    Schedule integration from one file to another
        integrated   Show integrations that have been submitted
        interchanges Report changes that have not yet been integrated
        istat        Show integrations needed for a stream
        job          Create or edit a job (defect) specification
        jobs         Display list of jobs
        key          Display, set, or delete a key/value pair
        keys         Display list of known keys and their values
        label        Create or edit a label specification and its view
        labels       Display list of labels
        labelsync    Synchronize label with the current client contents
        legal        Display legal and license information
        list         Create an in-memory (label) list of depot files
        lock         Lock an opened file against changelist submission
        logger       Report what jobs and changelists have changed
        login        Login to Perforce by obtaining a session ticket
        logout       Logout of Perforce by removing or invalidating a ticket
        merge        Schedule merge (integration) from one file to another
        move         Moves files from one location to another
        opened       Display list of files opened for pending changelist
        passwd       Set the user's password on the server (and Windows client)
        populate     Populate a branch or stream with files
        print        Retrieve a depot file to the standard output
        protect      Modify protections in the server namespace
        protects     Display protections in place for a given user/path
        reconcile    Reconcile client to offline workspace changes
        rename       Moves files from one location to another
        reopen       Change the type or changelist number of an opened file
        resolve      Merge open files with other revisions or files
        resolved     Show files that have been merged but not submitted
        revert       Discard changes from an opened file
        review       List and track changelists (for the review daemon)
        reviews      Show what users are subscribed to review files
        set          Set variables in the registry (Windows only)
        shelve       Store files from a pending changelist into the depot
        status       Preview reconcile of client to offline workspace changes
        sizes        Display size information for files in the depot
        stream       Create or edit a stream specification
        streams      Display list of streams
        submit       Submit open files to the depot
        sync         Synchronize the client with its view of the depot
        tag          Tag files with a label
        tickets      Display list of session tickets for this user
        unlock       Release a locked file but leave it open
        unshelve     Restore shelved files from a pending changelist
        update       Update the client with its view of the depot
        user         Create or edit a user specification
        users        Display list of known users
        where        Show how file names map through the client view
        workspace    Create or edit a client specification and its view
        workspaces   Display list of known clients

    See 'p4 help administration' for more information about additional
    commands and issues of interest to those who are administering and
    operating the server.