getconf: bootinfo replacement | term:~# less tar.gz.ro

By root, 13 March, 2012

Probably not many know that

bootinfo

comand is deprecated and it has been replaced by

getconf

. Now, don't get scared because

bootinfo

is still there for backwards compatibility and I am pretty sure it will still be there for a long time. The best part now is that we have a better alternative.
Please find below some

getconf

examples and if you need more, please use the magic words

man getconf

What is the device from which the system was last booted from:

$ getconf BOOT_DEVICE
hdisk0

What is the size of a particular disk:

$ getconf DISK_SIZE /dev/hdisk0
32768

What is the partition size used on a disk:

$ getconf DISK_PARTITION /dev/hdisk0
64

How to check if the machine is capable of running a 64-bit or 23-bit kernel:

$ getconf HARDWARE_BITMODE
64

How to verify if the system is currently running a 64-bit or 32-bit kernel:

$ getconf KERNEL_BITMODE
64

How to see the real memory size:

$ getconf REAL_MEMORY
1048576

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