Chapter 7: IOS Images Commands: b Boots the operating system manually. boot system Specifies the system image that the router loads at startup. config-register Changes the configuration register settings. configure terminal Configures the terminal manually from the console terminal. copy flash tftp Copies the system image from Flash memory to a tftp server. copy running-config startup-config Stores the current configuration in RAM into NVRAM. copy tftp flash Downloads a new image from tftp server to Flash memory. reload Halts and performs a cold return; reloads the operating system. show flash Displays the layout and content of Flash memory. show running-config Displays the current configuration in RAM. show startup-config Displays the saved configuration, which is the contents of NVRAM. show version Displays the configuration of the system hardware, the software version, the names and sources of configuration files, and the boot images.