Solaris Useful OK prompt commands

                                Some Useful OK prompt commands

OK show-disks  ------> To show the disks
OK probe-scsi  ------> To search the scsi devices attached to the primary scsi controller
OK probe-scsi-all ---> To search all the scsi devices
OK devalias   ----> to list device alias names
OK devalias <alias> <path> --->To temporarily create a device alias
OK printenv            ---->To view the current NVRAM settings
OK setenv <env> <value> -----> To set the envirement variables
OK set-defaults                 -----> To set the open boot prompt settings to the factory default
OK nvalias <alias> <path>  --->To set the device alias permanently to NVRAM
OK nvunalias cdrom1  ----> To remove the nvalias 'cdrom1' from NVRAMRC
OK .version   ------> To find out the Open boot prompt version
OK .ent_addr -----> To find out the ethernet MAC address
OK .speed    -----> To find out the CPU and PCI bus speeds
OK banner    -----> To display the Model,Architecture,processor,openboot version,ethernet address,hostid and etc
OK set-defaults ----> To reset variable values to the factory defaults
OK reset-all -----> To reboot the system from OK Prompt
OK show-devs  ----->To show the PCI devices
OK boot   ---> boot the system from the default boot devices
OK boot cdrom ----> to boot from cdrom
OK boot disk ----> boots the system from device as specified by the disk device alias
OK boot device-path ---->boot from the full device mentioned
OK boot net ----> network boot .boots from a TFTP boot server or Jumpstart server
OK boot net -install  -----> Jumpstart boot.
OK boot tape -----> Tape boot.boots off a SCSI tape if available
OK boot -h ----> boot halted .boot into a halted state(ok prompt) intersting for troubleshooting boot at the lowest level
OK boot -r ----> Reconfiguration boot.Boot and search for all attached device.useful when new device attached to the system
OK boot -s ----> Single user.boots the system to run level 1
OK boot -v ----> verbose boot.show good debugging information.
OK boot -F failsafe   ---> to boot the server to failsafe mode

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                                Displaying System Information
Commands to display additional system related information .Not all commands work on all Platforms
OK .idprom  --------> Display ID PROM contents
OK .traps  --------> Display a list of processor-dependent trap types
OK show-devs ----->display list of installed and probed devices
OK eject floppy ----> Eject the floppy
OK eject cdrom ------>eject the cdrom
OK sync -----> call the operating system to write information to hard disk

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                        Emergency Keyboard Commands
These are key sequences recognized by the system to perform predetermined
actions at boot time or during normal operation.

Stop     ---> Bypass POST .(This command does not depend on security-mode)
Stop-A ---> Abort.(This will also stop a running system. You can
                    resume normal operations if you enter go at the prompt.
                    Enter anything else and you will stay halted)
Stop-D  ---> Enter diagnostic mode(set diag-switch?to true)
Stop-N  ---> Reset NVRAM contents to default values.