On macOS, the OS information in jcmd VM.info and hs_err log is different from others. It needs a newline after the OS label.

- macOS
OS:uname:Darwin 19.6.0 Darwin Kernel Version 19.6.0: Thu Jun 18 20:49:00 PDT 2020; root:xnu-6153.141.1~1/RELEASE_X86_64 x86_64
OS uptime: 13 days 2:18 hours

- Windows
OS:
 Windows 10 , 64 bit Build 18362 (10.0.18362.1350)
OS uptime: 0 days 0:19 hours

- Linux
OS:
CentOS Linux release 8.1.1911 (Core)
uname: Linux 4.18.0-147.5.1.el8_1.x86_64 #1 SMP Wed Feb 5 02:00:39 UTC 2020 x86_64
OS uptime: 21 days 4:37 hours