accept(2) accept: accept a connection on a socket.
access(2) access: determine accessibility of file.
acct(2) acct: turn accounting on or off.
adjtime(2) adjtime: correct the time to allow synchronization of the system clock.
bind(2) bind: bind a name to a socket.
brk(2) brk, sbrk: change data segment size.
chdir(2) chdir: change current working directory.
chmod(2) chmod: change mode of file.
chown(2) chown: change owner and group of a file.
chroot(2) chroot: change root directory.
close(2) close: delete a descriptor.
connect(2) connect: initiate a connection on a socket.
creat(2) creat: create a new file.
dup(2) dup, dup2: duplicate a descriptor.
execve(2) execve: execute a file.
exit(2) _exit: terminate a process.
fcntl(2) fcntl: file control.
flock(2) flock: apply or remove an advisory lock on an open file.
fork(2) fork: create a new process.
fsync(2) fsync: synchronize a file's in-core state with that on disk.
getdtablesize(2) getdtablesize: get descriptor table size.
getgid(2) getgid, getegid: get group identity.
getgroups(2) getgroups: get group access list.
gethostid(2) gethostid, sethostid: get/set unique identifier of current host.
gethostname(2) gethostname, sethostname: get/set name of current host.
getitimer(2) getitimer, setitimer: get/set value of interval timer.
getpagesize(2) getpagesize: get system page size.
getpeername(2) getpeername: get name of connected peer.
getpgrp(2) getpgrp: get process group.
getpid(2) getpid, getppid: get process identification.
getpriority(2) getpriority, setpriority: get/set program scheduling priority.
getrlimit(2) getrlimit, setrlimit: control maximum system resource consumption.
getrusage(2) getrusage: get information about resource utilization.
getsockname(2) getsockname: get socket name.
getsockopt(2) getsockopt, setsockopt: get and set options on sockets.
gettimeofday(2) gettimeofday, settimeofday: get/set date and time.
getuid(2) getuid, geteuid: get user identity.
intro(2) intro: introduction to system calls and error numbers.
ioctl(2) ioctl: control device.
kill(2) kill: send signal to a process.
killpg(2) killpg: send signal to a process group.
link(2) link: make a hard link to a file.
listen(2) listen: listen for connections on a socket.
lseek(2) lseek: move read/write pointer.
mkdir(2) mkdir: make a directory file.
mknod(2) mknod: make a special file.
mount(2) mount, umount: mount or remove file system.
open(2) open: open a file for reading or writing, or create a new file.
pipe(2) pipe: create an interprocess communication channel.
profil(2) profil: execution time profile.
ptrace(2) ptrace: process trace.
quota(2) quota: manipulate disk quotas.
read(2) read, readv: read input.
readlink(2) readlink: read value of a symbolic link.
reboot(2) reboot: reboot system or halt processor.
recv(2) recv, recvfrom, recvmsg: receive a message from a socket.
rename(2) rename: change the name of a file.
rmdir(2) rmdir: remove a directory file.
select(2) select: synchronous I/O multiplexing.
send(2) send, sendto, sendmsg: send a message from a socket.
setgroups(2) setgroups: set group access list.
setpgrp(2) setpgrp: set process group.
setquota(2) setquota: enable/disable quotas on a file system.
setregid(2) setregid: set real and effective group ID.
setreuid(2) setreuid: set real and effective user ID's.
shutdown(2) shutdown: shut down part of a full-duplex connection.
sigblock(2) sigblock: block signals.
sigpause(2) sigpause: atomically release blocked signals and wait for interrupt.
sigreturn(2) sigreturn: return from signal.
sigsetmask(2) sigsetmask: set current signal mask.
sigstack(2) sigstack: set and/or get signal stack context.
sigvec(2) sigvec: software signal facilities.
socket(2) socket: create an endpoint for communication.
socketpair(2) socketpair: create a pair of connected sockets.
stat(2) stat, lstat, fstat: get file status.
swapon(2) swapon: add a swap device for interleaved paging/swapping.
symlink(2) symlink: make symbolic link to a file.
sync(2) sync: update super-block.
syscall(2) syscall: indirect system call.
truncate(2) truncate: truncate a file to a specified length.
umask(2) umask: set file creation mode mask.
unlink(2) unlink: remove directory entry.
utimes(2) utimes: set file times.
vfork(2) vfork: spawn new process in a virtual memory efficient way.
vhangup(2) vhangup: virtually ``hangup'' the current control terminal.
wait(2) wait, wait3: wait for process to terminate.
write(2) write, writev: write output.
