xrefs need section numbers
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mikel
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@ -1,4 +1,4 @@
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.\" $NetBSD: intro.2,v 1.6 1995/02/27 12:33:41 cgd Exp $
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.\" $NetBSD: intro.2,v 1.7 1997/05/13 03:15:40 mikel Exp $
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.\"
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.\" Copyright (c) 1980, 1983, 1986, 1991, 1993
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.\" The Regents of the University of California. All rights reserved.
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@ -125,9 +125,9 @@ or a read (write) request was made to a file that was only open for
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writing (reading).
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.It Er 10 ECHILD Em "\&No child processes" .
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A
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.Xr wait
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.Xr wait 2
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or
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.Xr waitpid
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.Xr waitpid 2
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function was executed by a process that had no existing or unwaited-for
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child processes.
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.It Er 11 EDEADLK Em "Resource deadlock avoided" .
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@ -153,7 +153,7 @@ in a manner which would have conflicted with the request.
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.It Er 17 EEXIST Em "File exists" .
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An existing file was mentioned in an inappropriate context,
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for instance, as the new link name in a
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.Xr link
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.Xr link 2
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function.
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.It Er 18 EXDEV Em "Improper link" .
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A hard link to a file on another file system
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@ -171,9 +171,9 @@ An attempt was made to open a directory with write mode specified.
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.It Er 22 EINVAL Em "Invalid argument" .
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Some invalid argument was supplied. (For example,
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specifying an undefined signal to a
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.Xr signal
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.Xr signal 3
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or
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.Xr kill
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.Xr kill 2
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function).
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.It Er 23 ENFILE Em "Too many open files in system" .
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Maximum number of file descriptors allowable on the system
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@ -193,7 +193,7 @@ special device for which the operation was inappropriate.
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The new process was a pure procedure (shared text) file
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which was open for writing by another process, or
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while the pure procedure file was being executed an
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.Xr open
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.Xr open 2
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call requested write access.
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.It Er 27 EFBIG Em "File too large" .
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The size of a file exceeded the maximum (about
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@ -202,7 +202,7 @@ The size of a file exceeded the maximum (about
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bytes).
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.It Er 28 ENOSPC Em "Device out of space" .
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A
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.Xr write
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.Xr write 2
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to an ordinary file, the creation of a
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directory or symbolic link, or the creation of a directory
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entry failed because no more disk blocks were available
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@ -211,7 +211,7 @@ created file failed because no more inodes were available
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on the file system.
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.It Er 29 ESPIPE Em "Illegal seek" .
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An
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.Xr lseek
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.Xr lseek 2
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function was issued on a socket, pipe or
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.Tn FIFO .
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.It Er 30 EROFS Em "Read-only file system" .
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@ -310,12 +310,12 @@ An operation on a socket or pipe was not performed because
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the system lacked sufficient buffer space or because a queue was full.
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.It Er 56 EISCONN Em "Socket is already connected" .
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A
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.Xr connect
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.Xr connect 2
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request was made on an already connected socket; or,
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a
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.Xr sendto
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.Xr sendto 2
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or
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.Xr sendmsg
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.Xr sendmsg 2
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request on a connected socket specified a destination
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when already connected.
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.It Er 57 ENOTCONN Em "Socket is not connected" .
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@ -329,9 +329,9 @@ had already been shut down with a previous
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call.
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.It Er 60 ETIMEDOUT Em "Operation timed out" .
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A
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.Xr connect
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.Xr connect 2
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or
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.Xr send
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.Xr send 2
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request failed because the connected party did not
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properly respond after a period of time. (The timeout
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period is dependent on the communication protocol.)
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@ -363,7 +363,7 @@ was supplied to a remove directory or rename call.
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The quota system ran out of table entries.
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.It Er 69 EDQUOT Em "Disc quota exceeded" .
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A
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.Xr write
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.Xr write 2
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to an ordinary file, the creation of a
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directory or symbolic link, or the creation of a directory
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entry failed because the user's quota of disk blocks was
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@ -416,7 +416,7 @@ A new process is created by a currently active process; (see
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The parent process ID of a process is initially the process ID of its creator.
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If the creating process exits,
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the parent process ID of each child is set to the ID of a system process,
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.Xr init .
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.Xr init 8 .
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.It Process Group
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Each active process is a member of a process group that is identified by
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a non-negative integer called the process group ID. This is the process
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@ -463,7 +463,7 @@ as the group,
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but is in a different process group.
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Note that when a process exits, the parent process for its children
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is changed to be
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.Xr init ,
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.Xr init 8 ,
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which is in a separate session.
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Not all members of an orphaned process group are necessarily orphaned
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processes (those whose creating process has exited).
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@ -522,7 +522,7 @@ process and is granted special privileges if its effective user ID is 0.
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.It Special Processes
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The processes with process IDs of 0, 1, and 2 are special.
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Process 0 is the scheduler. Process 1 is the initialization process
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.Xr init ,
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.Xr init 8 ,
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and is the ancestor of every other process in the system.
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It is used to control the process structure.
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Process 2 is the paging daemon.
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@ -534,7 +534,7 @@ or
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.Xr dup 2 ,
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or when a socket is created by
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.Xr pipe 2 ,
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.Xr socket 2
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.Xr socket 2 ,
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or
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.Xr socketpair 2 ,
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which uniquely identifies an access path to that file or socket from
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