The build_version_command contains the min OS version on which this binary was built to run for its platform. The list of known platforms and tool values following it.
Fields
cmd: LC = .BUILD_VERSION,
LC_BUILD_VERSION
cmdsize: u32,
sizeof(struct build_version_command) plus ntools * sizeof(struct build_version_command)
platform: PLATFORM,
platform
minos: u32,
X.Y.Z is encoded in nibbles xxxx.yy.zz
sdk: u32,
X.Y.Z is encoded in nibbles xxxx.yy.zz
ntools: u32,
number of tool entries following this