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