CCNA Certification/Appendix B - Cisco Router Commands and their Usages

=Cisco Router Commands and their Usages=

User Mode Commands
These commands can only be entered from user mode.

Privileged Mode Commands
These commands can only be entered from privileged mode. To enter privileged mode, use the enable command.

Config Commands
These commands can only be entered from config mode. To enter config mode, use the "conf t" command.