An interactive reference for Linux system calls

Every Linux syscall, explained.

Numbers across x86, x64 and ARM64. Kernel-version history. seccomp profiles. Rootkit & eBPF observability. strace samples. For every syscall.

463 syscalls

Browse by category

File & I/O

38 syscalls

Memory

22 syscalls

Process & Thread

44 syscalls

Signals

21 syscalls

IPC

51 syscalls

Network

19 syscalls

Security & Credentials

45 syscalls

Time & Clocks

32 syscalls

System Info

93 syscalls

Debug & Trace

6 syscalls

Filesystems & Mounts

90 syscalls

Namespaces & Containers

2 syscalls