SUMMARY: How to tell if machine is 64bit or 32bit?

Dave Martini martini at mrpeabody.llnl.gov
Wed Apr 16 13:28:12 EDT 2003


Thanks for all the quick responses and most pointed me to the isainfo
command.

/usr/bin/isainfo -b
Tells you what mode 32-bit or 64-bit the machine is running in.

/usr/bin/isainfo -v
Tells you if you have the capability of running 32 or 64.

Here's a link I found on the sun site that describes how to 
boot in 32 and 64-bit modes and other good info.

http://soldc.sun.com/articles/64_bit_booting.html#Q6

Dave Martini
LLNL
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