This command will unconfig a solaris box back to its original state. It takes you back to the original setup for the network settings for the box. You will be prompted for the ip address, default route, etc just as if you were re-installing the operating system.
Command:
#sys-unconfig
Output:
/# sys-unconfig
WARNING
This program will unconfigure your system. It will cause it
to revert to a “blank” system – it will not have a name or know
about other systems or networks.
This program will also halt the system.
Do you want to continue (y/n) ? n
UNIX/Linux 