# Linux Kernel Userspace API

**Canonical:** https://apis.io/apis/linux/linux-kernel-userspace-api/  
**Provider:** Linux — https://apis.io/providers/linux/  
**Documentation:** https://www.kernel.org/doc/html/latest/userspace-api/index.html

Linux Kernel Userspace API is one of 10 APIs that [Linux](https://apis.io/providers/linux/) publishes on the [APIs.io](https://apis.io/) network. Tagged areas include Kernel, Userspace, and System-Calls. The published artifact set on APIs.io includes API documentation and an API reference.

The set of stable userspace-facing interfaces exposed by the Linux kernel, including system calls, ioctls, eBPF, futex2, and the netlink protocol.

## Machine-readable artifacts (3)

- **Documentation** — https://www.kernel.org/doc/html/latest/userspace-api/index.html
- **Reference** — https://man7.org/linux/man-pages/man2/syscalls.2.html
- **APIsJSON** — https://raw.githubusercontent.com/api-evangelist/linux/refs/heads/main/apis.yml

## Other Linux APIs (9)

- [eBPF Userspace API](https://apis.io/apis/linux/ebpf-userspace-api/)
- [Netlink API](https://apis.io/apis/linux/netlink-api/)
- [Seccomp BPF](https://apis.io/apis/linux/seccomp-bpf/)
- [Landlock](https://apis.io/apis/linux/landlock/)
- [procfs](https://apis.io/apis/linux/procfs/)
- [sysfs](https://apis.io/apis/linux/sysfs/)
- [systemd D-Bus API](https://apis.io/apis/linux/systemd-dbus/)
- [Linux PAM](https://apis.io/apis/linux/linux-pam/)
- [udev](https://apis.io/apis/linux/udev/)

## Tags

Kernel, Userspace, System-Calls

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/apis/linux/linux-kernel-userspace-api/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/linux/.