Go packages for low-level interaction with the operating system

Clone this repo:
  1. f49334f windows: add GetOverlappedResult function for async I/O by Jason A. Donenfeld · 3 days ago master
  2. f7bb7a8 windows: add missing file flags to types by Jason A. Donenfeld · 3 days ago
  3. 6c81ef8 unix: add SysctlClockinfo on OpenBSD by Tobias Klauser · 6 days ago
  4. a2f829d windows: add support for creating well known SIDs by Jason A. Donenfeld · 11 days ago
  5. fead790 cpu: use unix.Getsystemcfg to detect POWER8/POWER9 on aix/ppc64 by Tobias Klauser · 13 days ago


This repository holds supplemental Go packages for low-level interactions with the operating system.


The easiest way to install is to run go get -u golang.org/x/sys. You can also manually git clone the repository to $GOPATH/src/golang.org/x/sys.

Report Issues / Send Patches

This repository uses Gerrit for code changes. To learn how to submit changes to this repository, see https://golang.org/doc/contribute.html.

The main issue tracker for the sys repository is located at https://github.com/golang/go/issues. Prefix your issue with “x/sys:” in the subject line, so it is easy to find.