11 Systemcalls in alphabetical order

 lcr

just-a-tabspace-holder- ¯

_exit 		 - 		 like exit but with fewer actions (m+c)

accept 		 - 		 accept a connection on a socket (m+c!)

access 		 - 		 check user's permissions for a file (m+c)

acct 		 - 		 not yet implemented (mc)

adjtimex 		 - 		 set/get kernel time variables (-c)

afs_syscall 		 - 		 reserved andrew filesystem call (-)

alarm 		 - 		 send SIGALRM at a specified time (m+c)

bdflush 		 - 		 flush dirty buffers to disk (-c)

bind 		 - 		 name a socket for interprocess communication (m!c)

break 		 - 		 not yet implemented (-)

brk 		 - 		 change data segment size (mc)

chdir 		 - 		 change working directory (m+c)

chmod 		 - 		 change file attributes (m+c)

chown 		 - 		 change ownership of a file (m+c)

chroot 		 - 		 set a new root directory (mc)

clone 		 - 		 see fork (m-)

close 		 - 		 close a file by reference (m+c)

connect 		 - 		 link 2 sockets (m!c)

creat 		 - 		 create a file (m+c)

create_module 		 - 		 allocate space for a loadable kernel module (-)

delete_module 		 - 		 unload a kernel module (-)

dup 		 - 		 create a file descriptor duplicate (m+c)

dup2 		 - 		 duplicate a file descriptor (m+c)

execl, execlp, execle, ...		 - 		 see execve (m+!c)

execve 		 - 		 execute a file (m+c)

exit 		 - 		 terminate a program (m+c)

fchdir 		 - 		 change working directory by reference ()

fchmod 		 - 		 see chmod (mc)

fchown 		 - 		 change ownership of a file (mc)

fclose 		 - 		 close a file by reference (m+!c)

fcntl 		 - 		 file/filedescriptor control (m+c)

flock 		 - 		 change file locking (m!c)

fork 		 - 		 create a child process (m+c)

fpathconf 		 - 		 get info about a file by reference (m+!c)

fread 		 - 		 read array of binary data from stream (m+!c)

fstat 		 - 		 get file status (m+c)

fstatfs 		 - 		 get filesystem status by reference (mc)

fsync 		 - 		 write file cache to disk (mc)

ftime 		 - 		 get timezone+seconds since 1.1.1970 (m!c)

ftruncate 		 - 		 change file size (mc)

fwrite 		 - 		 write array of binary datas to stream (m+!c)

get_kernel_syms 		 - 		 get kernel symbol table or its size (-)

getdomainname 		 - 		 get system's domainname (m!c)

getdtablesize 		 - 		 get filedescriptor table size (m!c)

getegid 		 - 		 get effective group id (m+c)

geteuid 		 - 		 get effective user id (m+c)

getgid 		 - 		 get real group id (m+c)

getgroups 		 - 		 get supplemental groups (m+c)

gethostid 		 - 		 get unique host identifier (m!c)

gethostname 		 - 		 get system's hostname (m!c)

getitimer 		 - 		 get value of interval timer (mc)

getpagesize 		 - 		 get size of a system page (m-!c)

getpeername 		 - 		 get address of a connected peer socket (m!c)

getpgid 		 - 		 get parent group id of a process (+c)

getpgrp 		 - 		 get parent group id of current process (m+c)

getpid 		 - 		 get process id of current process (m+c)

getppid 		 - 		 get process id of the parent process (m+c)

getpriority 		 - 		 get a process/group/user priority (mc)

getrlimit 		 - 		 get resource limits (mc)

getrusage 		 - 		 get usage of resources (m)

getsockname 		 - 		 get the adress of a socket (m!c)

getsockopt 		 - 		 get option settings of a socket (m!c)

gettimeofday 		 - 		 get timezone+seconds since 1.1.1970 (mc)

getuid 		 - 		 get real uid (m+c)

gtty 		 - 		 not yet implemented ()

idle 		 - 		 make a process a candidate for swap (mc)

init_module 		 - 		 insert a loadable kernel module (-)

ioctl 		 - 		 manipulate a character device (mc)

ioperm 		 - 		 set some i/o port's permissions (m-c)

iopl 		 - 		 set all i/o port's permissions (m-c)

ipc 		 - 		 interprocess communication (-c)

kill 		 - 		 send a signal to a process (m+c)

killpg 		 - 		 send a signal to a process group (mc!)

klog 		 - 		 see syslog (-!)

link 		 - 		 create a hardlink for an existing file (m+c)

listen 		 - 		 listen for socket connections (m!c)

llseek 		 - 		 lseek for large files (-)

lock 		 - 		 not implemented yet ()

lseek 		 - 		 change the position ptr of a file descriptor (m+c)

lstat 		 - 		 get file status (mc)

mkdir 		 - 		 create a directory (m+c)

mknod 		 - 		 create a device (mc)

mmap 		 - 		 map a file into memory (mc)

modify_ldt 		 - 		 read or write local descriptor table (-)

mount 		 - 		 mount a filesystem (mc)

mprotect 		 - 		 read, write or execute protect memory (-)

mpx 		 - 		 not implemented yet ()

msgctl 		 - 		 ipc message control (m!c)

msgget 		 - 		 get an ipc message queue id (m!c)

msgrcv 		 - 		 receive an ipc message (m!c)

msgsnd 		 - 		 send an ipc message (m!c)

munmap 		 - 		 unmap a file from memory (mc)

nice 		 - 		 change process priority (mc)

oldfstat 		 - 		 no longer existing

oldlstat 		 - 		 no longer existing

oldolduname 		 - 		 no longer existing

oldstat 		 - 		 no longer existing

olduname 		 - 		 no longer existing

open 		 - 		 open a file (m+c)

pathconf 		 - 		 get information about a file (m+!c)

pause 		 - 		 sleep until signal (m+c)

personality 		 - 		 change current execution domain for ibcs (-)

phys 		 - 		 not implemented yet (m)

pipe 		 - 		 create a pipe (m+c)

prof 		 - 		 not yet implemented ()

profil 		 - 		 execution time profile (m!c)

ptrace 		 - 		 trace a child process (mc)

quotactl 		 - 		 not implemented yet ()

read 		 - 		 read data from a file (m+c)

readv 		 - 		 read datablocks from a file (m!c)

readdir 		 - 		 read a directory (m+c)

readlink 		 - 		 get content of a symbolic link (mc)

reboot 		 - 		 reboot or toggle vulcan death grip (-mc)

recv 		 - 		 receive a message from a connected socket (m!c)

recvfrom 		 - 		 receive a message from a socket (m!c)

rename 		 - 		 move/rename a file (m+c)

rmdir 		 - 		 delete an empty directory (m+c)

sbrk 		 - 		 see brk (mc!)

select 		 - 		 sleep until action on a filedescriptor (mc)

semctl 		 - 		 ipc semaphore control (m!c)

semget 		 - 		 ipc get a semaphore set identifier (m!c)

semop 		 - 		 ipc operation on semaphore set members (m!c)

send 		 - 		 send a message to a connected socket (m!c)

sendto 		 - 		 send a message to a socket (m!c)

setdomainname 		 - 		 set system's domainname (mc)

setfsgid 		 - 		 set filesystem group id ()

setfsuid 		 - 		 set filesystem user id ()

setgid 		 - 		 set real group id (m+c)

setgroups 		 - 		 set supplemental groups (mc)

sethostid 		 - 		 set unique host identifier (mc)

sethostname 		 - 		 set the system's hostname (mc)

setitimer 		 - 		 set interval timer (mc)

setpgid 		 - 		 set process group id (m+c)

setpgrp 		 - 		 has no effect (mc!)

setpriority 		 - 		 set a process/group/user priority (mc)

setregid 		 - 		 set real and effective group id (mc)

setreuid 		 - 		 set real and effective user id (mc)

setrlimit 		 - 		 set resource limit (mc)

setsid 		 - 		 create a session (+c)

setsockopt 		 - 		 change options of a socket (mc)

settimeofday 		 - 		 set timezone+seconds since 1.1.1970 (mc)

setuid 		 - 		 set real user id (m+c)

setup 		 - 		 initialize devices and mount root (-)

sgetmask 		 - 		 see siggetmask (m)

shmat 		 - 		 attach shared memory to data segment (m!c)

shmctl 		 - 		 ipc manipulate shared memory (m!c)

shmdt 		 - 		 detach shared memory from data segment (m!c)

shmget 		 - 		 get/create shared memory segment (m!c)

shutdown 		 - 		 shutdown a socket (m!c)

sigaction 		 - 		 set/get signal handler (m+c)

sigblock 		 - 		 block signals (m!c)

siggetmask 		 - 		 get signal blocking of current process (!c)

signal 		 - 		 setup a signal handler (mc)

sigpause 		 - 		 use a new signal mask until a signal (mc)

sigpending 		 - 		 get pending, but blocked signals (m+c)

sigprocmask 		 - 		 set/get signal blocking of current process (+c)

sigreturn 		 - 		 not yet used ()

sigsetmask 		 - 		 set signal blocking of current process (c!)

sigsuspend 		 - 		 replacement for sigpause (m+c)

sigvec 		 - 		 see sigaction (m!)

socket 		 - 		 create a socket communication endpoint (m!c)

socketcall 		 - 		 socket call multiplexer (-)

socketpair 		 - 		 create 2 connected sockets (m!c)

ssetmask 		 - 		 see sigsetmask (m)

stat 		 - 		 get file status (m+c)

statfs 		 - 		 get filesystem status (mc)

stime 		 - 		 set seconds since 1.1.1970 (mc)

stty 		 - 		 not yet implemented ()

swapoff 		 - 		 stop swapping to a file/device (m-c)

swapon 		 - 		 start swapping to a file/device (m-c)

symlink 		 - 		 create a symbolic link to a file (m+c)

sync 		 - 		 sync memory and disk buffers (mc)

syscall 		 - 		 execute a systemcall by number (-!c)

sysconf 		 - 		 get value of a system variable (m+!c)

sysfs 		 - 		 get infos about configured filesystems ()

sysinfo 		 - 		 get Linux system infos (m-)

syslog 		 - 		 manipulate system logging (m-c)

system 		 - 		 execute a shell command (m!c)

time 		 - 		 get seconds since 1.1.1970 (m+c)

times 		 - 		 get process times (m+c)

truncate 		 - 		 change file size (mc)

ulimit 		 - 		 get/set file limits (c!)

umask 		 - 		 set file creation mask (m+c)

umount 		 - 		 unmount a filesystem (mc)

uname 		 - 		 get system information (m+c)

unlink 		 - 		 remove a file when not busy (m+c)

uselib 		 - 		 use a shared library (m-c)

ustat 		 - 		 not yet implemented (c)

utime 		 - 		 modify inode time entries (m+c)

utimes 		 - 		 see utime (m!c)

vfork 		 - 		 see fork (m!c)

vhangup 		 - 		 virtually hang up current tty (m-c)

vm86 		 - 		 enter virtual 8086 mode (m-c)

wait 		 - 		 wait for process termination (m+!c)

wait3 		 - 		 bsd wait for a specified process (m!c)

wait4 		 - 		 bsd wait for a specified process (mc)

waitpid 		 - 		 wait for a specified process (m+c)

write 		 - 		 write data to a file (m+c)

writev 		 - 		 write datablocks to a file (m!c)

(m) manual page exists.
(+) POSIX compliant.
(-) Linux specific.
(c) in libc.
(!) not a sole system call.uses a different system call.

Hosting by: Hurra Communications Ltd.
Generated: 2007-01-26 17:57:43