As a novice user of a Unix system, how can I tell if my Unix server installation is 32-bit or 64-bit operating system?
You can use the following commands to obtain information about the Unix kernel and CPU architectures.
getconf command: display digits machine hardware and kernel.
In your terminal Qiaoxia following commands.
OS X Unix
If your operating system is 64-bit architecture, then you will see 64, ia64 or x86_64 words.
Conversely, if you see 32, i386 words, the operating system is compiled to run in 32-bit processing stone.
You can also use the uname command
Here is the output of the uname command on OS X systems
Darwin Viveks-MacBook-Pro.local 15.0.0 Darwin Kernel Version 15.0.0: Wed Aug 26 16:57:32 PDT 2015; root: xnu-3247.1.106 ~ 1 / RELEASE_X86_64 x86_64