chmem --version (return code: 0)
chmem from util-linux 2.30.1
chmem --help (return code: 0)
Usage:
chmem [options] [SIZE|RANGE|BLOCKRANGE]
Set a particular size or range of memory online or offline.
Options:
-e, --enable enable memory
-d, --disable disable memory
-b, --blocks use memory blocks
-v, --verbose verbose output
-h, --help display this help and exit
-V, --version output version information and exit
For more details see chmem(8).