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Posted by sibu on February 6, 2012

How To Determine If The Solaris Kernel Is 32- Or 64-bit

OS details:

root@ server:/root$ uname -a

SunOS server 5.10 Generic_137111-02 sun4v sparc SUNW,T5140

isainfo command will give you whether the solaris kernel is 32 bit or 64 bit

$ isainfo -b

64

$

The -b option prints the number of bits in the address space of the native instruction set. In this case, 64 bits.

$ isainfo -kv

64-bit sparcv9 kernel modules

$

The -k option prints the name of the instruction set used by the operating system kernel components, i.e. sparcv9; -v provides more detailed information, i.e. 64-bit sparcv9

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