91. Command HierarchyThere are four hierarchical levels in the command hierarchy.(1) User mode:The User mode is the mode right after login. Only limited operations are avail-able.(2) Privileged mode:The Privileged mode allows to check the status of this Switching Hub andmanipulate the configuration file.(3) Global configuration mode:The Global configuration mode allows general configuration of this SwitchingHub.(4) Interface configuration modeThe Interface configuration mode allows detailed configuration of thisSwitching Hub, such as for each port or VLAN.S24GPWR> enableS24GPWR# configureS24GPWR(config)# interface gi0/1S24GPWR(config-if)# exitS24GPWR(config)# exitS24GPWR#Fig. 1-1 Command hierarchyenable command・ The enable command enables to move from User mode to Privileged mode.S24GPWR> ・・・・・・・・・・・・・・・・・・・・・・・・・ User modeS24GPWR> enable ・・・・・・・・・・・・・・・・・・ User mode ⇒ Privileged modeS24GPWR# ・・・・・・・・・・・・・・・・・・・・・・・・・ Privileged modeS24GPWR# disable ・・・・・・・・・・・・・・・・・・ Privileged mode ⇒ User modeS24GPWR> ・・・・・・・・・・・・・・・・・・・・・・・・・ User modedisable command・ The disable command enables to return from Privileged mode to User mode.S24GPWR# ・・・・・・・・・・・・・・・・・・・・・・・・・ Privileged modeS24GPWR# disable ・・・・・・・・・・・・・・・・・・ Privileged mode ⇒ User modeS24GPWR> ・・・・・・・・・・・・・・・・・・・・・・・・・ User modeconfigure command・ The configure command enables to move from Privileged mode to Global con-figuration mode.S24GPWR# ・・・・・・・・・・・・・・・・・・・・・・・・・ Privileged modeS24GPWR# configure ・・・・・・・・・・・・・・・ Privileged mode⇒ Global configuration modeS24GPWR(config)# ・・・・・・・・・・・・・・・・・・ Global configuration mode