User vs. Privileged Mode

User mode is indicated with the > next to the switch name. You can look at settings but can not make changes from user mode. In Privilege mode, indicated by the #, you can do anything. To get into privilege mode the keyword is enable.

HELP

To view all commands available from this mode type:?This will give you the list of all available commands for the switch in your current mode. You can also use the question mark after you have started typing a command. For example if you want to use a show command but you do not remember which one it is, use the ? as this will output all commands that you can use with the show command.

Configuration Mode

From privilege mode you can enter configuration mode by typing config term command you can exit configuration mode type type end or +z

To know all available command on user exec mode type ? and press enter

Switch>?
Exec commands:
    [1-99]         Session number to resume
    connect        Open a terminal connection
    disconnect     Disconnect an existing network connection
    enable         Turn on privileged commands
    exit           Exit from the EXEC
    logout         Exit from the EXEC
    ping           Send echo messages

[Output is omitted]

Three command can be used to logout from terminal use any one

Switch>enable
Switch#disable
Switch>exit

Switch con0 is now available

Press RETURN to get started.

Show version command will tell about the device platform and detected interface and ios name

Switch>enable
Switch#show version
Cisco IOS Software, C2960 Software (C2960-LANBASE-M), Version
12.2(25)FX, RELEASE SOFTWARE (fc1)
Copyright (c) 1986-2005 by Cisco Systems, Inc.
Compiled Wed 12-Oct-05 22:05 by pt_team
ROM: C2960 Boot Loader (C2960-HBOOT-M) Version 12.2(25r)FX,
RELEASE SOFTWARE (fc4)
System returned to ROM by power-on
Cisco WS-C2960-24TT (RC32300) processor (revision C0) with
21039K bytes of memory.
24 FastEthernet/IEEE 802.3 interface(s)
2 Gigabit Ethernet/IEEE 802.3 interface(s)

[Output is omitted]