The command used for this purpose is “isainfo” which is then used in different combinations to get the system information. For all valid option use “# man isainfo”.

# isainfo -kv

the above command will show you the number of kernel bits. You can also use “-v” option with combination of “-k or -b”. Below is the screenshot for the above command in different form. Older version of solaris were running on 32 bit architecture and were not having “isainfo” command.