$ Syscall Reference

Open or create a file relative to a directory fd

Read from a file descriptor

Write to a file descriptor

Close a file descriptor

Get file status by file descriptor

Map files or devices into memory

Set protection on a region of memory

Unmap a mapped region

Change data segment size

Examine and change a signal action

Create an endpoint for communication

Initiate a connection on a socket

Accept a connection on a socket

Send a message on a socket

Receive a message from a socket

Execute a program

Create a child process

Exit all threads in a process group

Create child process or thread

Process tracing and debugging

Fast user-space locking

Create a pipe for IPC

Get directory entries

Get file status by path name

Get file status (with symlinks)