Router>enable      (disable/exit/end/ctrl+z) 
Router#configure terminal
Enter configuration commands, one per line.  End with CNTL/Z.
Router(config)#hostname R1

Router(config)#enable password|sercret cisco
Router(config)#service password-encryption
R1(config)#no ip domain-lookup
R1(config)#line console 0
R1(config-line)#logging synchronous
R1(config-line)#exec-timeout 00
R1(config-line)#exi
R1(config)#line vty 0 4
R1(config-line)#password cisco
R1(config-line)#login
R1(config-line)#exi
R1(config)#ip host angela 192.168.12.1
R1(config)#default interface s0/0
R1#copy running-config startup-config
R1#wr
R1#show running-config
R1#show version
R1#show history
R1(config)#banner motd[char c]            description