kill.1: mention special meaning of PGID as a PID

PR: 284158
MFC after: 3 days

kill.1: mention special PID 0

PR: 284158
MFC after: 3 days

bin: Remove ancient SCCS tags.

Remove ancient SCCS tags from the tree, automated scripting, with two
minor fixup to keep things compiling. All the common forms in the tree
were removed with a perl s

bin: Remove ancient SCCS tags.

Remove ancient SCCS tags from the tree, automated scripting, with two
minor fixup to keep things compiling. All the common forms in the tree
were removed with a perl script.

Sponsored by: Netflix

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Remove $FreeBSD$: one-line nroff pattern

Remove /^\.\\"\s*\$FreeBSD\$$\n/

Merge ^/head r314420 through r314481.

Renumber copyright clause 4

Renumber cluase 4 to 3, per what everybody else did when BSD granted
them permission to remove clause 3. My insistance on keeping the same
numbering for legal reasons is

Renumber copyright clause 4

Renumber cluase 4 to 3, per what everybody else did when BSD granted
them permission to remove clause 3. My insistance on keeping the same
numbering for legal reasons is too pedantic, so give up on that point.

Submitted by: Jan Schaumann <jschauma@stevens.edu>
Pull Request: https://github.com/freebsd/freebsd/pull/96

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Merge ^/head r306412 through r306905.

In v3 UNIX, the kill utility is documented in category 8, not 1.
Add a note of it.
http://minnie.tuhs.org/cgi-bin/utree.pl?file=V3/man/man8/kill.8

PR: 211786
Approved by: bcr (mentor)
Obtained from

In v3 UNIX, the kill utility is documented in category 8, not 1.
Add a note of it.
http://minnie.tuhs.org/cgi-bin/utree.pl?file=V3/man/man8/kill.8

PR: 211786
Approved by: bcr (mentor)
Obtained from: TUHS
Differential Revision: https://reviews.freebsd.org/D8105

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sh: Add kill builtin.

This allows specifying a %job (which is equivalent to the corresponding
process group).

Additionally, it improves reliability of kill from sh in high-load
situations and ensur

sh: Add kill builtin.

This allows specifying a %job (which is equivalent to the corresponding
process group).

Additionally, it improves reliability of kill from sh in high-load
situations and ensures "kill" finds the correct utility regardless of PATH,
as required by POSIX (unless the undocumented %builtin mechanism is used).

Side effect: fatal errors (any error other than kill(2) failure) now return
exit status 2 instead of 1. (This is consistent with other sh builtins, but
not in NetBSD.)

Code size increases about 1K on i386.

Obtained from: NetBSD

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Fix markup.

Add the new standard EXIT STATUS section where appropriate.
Sort standard sections in the (documented) preferred order.

/*- or .\"- or #- to begin license clauses.

Deal with double whitespace.

Remove clause 3 from the UCB licenses.

OK'ed by: imp, core

Markup nits: use the Ar macro when describing the -signal_name and
-signal_number options, and for referring to the "pid" argument.

Add examples and diagnostics sections

Correct history (again): V3 had a kill command, only it was in section 8,
not 1.

Correct History section: kill(1) appeared in V4, not V6.

mdoc(7) police: use the new features of the Nm macro.

Correct some hard sentence breaks. Only those surrounding the previous
commit and those which cause ugly nroff output have been fixed, since
the purpose of the style guideline which they contravene i

Correct some hard sentence breaks. Only those surrounding the previous
commit and those which cause ugly nroff output have been fixed, since
the purpose of the style guideline which they contravene is to reduce
the sizes of deltas.

Reported by: bde

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Improve shell documentation:

* Consistently misspell built-in as builtin.

* Add a builtin(1) manpage and create builtin(1) MLINKS for all shell
builtin commands for which no standalone utility ex

Improve shell documentation:

* Consistently misspell built-in as builtin.

* Add a builtin(1) manpage and create builtin(1) MLINKS for all shell
builtin commands for which no standalone utility exists. These MLINKS
replace those that were created for csh(1).

* Add appropriate xrefs for builtin(1) to the csh(1) and sh(1) manpages,
as well as to the manpages of standalone utilities which are supported
as shell builtin commands in at least one of the shells. In such
manpages, explain that similar functionality may be provided as a
shell builtin command.

* Improve sh(1)'s description of the cd builtin command. Csh(1) already
describes it adequately. Replace the cd(1) manpage with a builtin(1)
MLINKS link.

* Clean up some mdoc problems: use Xr instead of literal "foo(n)"; use
Ic instead of Xr for shell builtin commands.

* Undo English contractions.

Reviewed by: mpp, rgrimes

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$Id$ -> $FreeBSD$

kill.1: Remove reference to obsolete sigvec(2) man page. Removed
self reference in sigaction(2) man page.

Submitted by: Josh Gilliam <josh@quick.net>
PR: 6617

Correct use of .Nm. Add rcsid.

Import Lite2's src/bin. All files in src/bin are off the vendor branch,
so this doesn't change the active versions.