How to determine a Solaris OS is 32 bits or 64 bits by using isainfo

isainfo command can be used to determine whether a Solaris system has 32–bit or 64-bit capabilities enabled.

Option	Note	Examples on SPARC system
	Display the name or names of the native instruction sets for applications supported by the current OS version.	$ isainfo sparcv9 sparc
-v	Prints detailed information about the other options	$ isainfo -v 64-bit sparcv9 applications vis2 vis 32-bit sparc applications vis2 vis v8plus div32 mul32 $ isainfo -v 32-bit sparc applications
-b	Prints the number of bits in the address space of the native instruction set.	$ isainfo -b 64
-n	Prints the name of the native instruction set used by portable applications supported by the current version of the OS.	$ isainfo -n sparcv9
-k	Prints the name of the instruction set or sets that are used by the OS kernel components such as device drivers and STREAMS modules.	$ isainfo -k sparcv9

Last updated: August 5, 2009