usr.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 pe

usr.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/

nohup(1): link to a related manual page

Reviewed by: imp
Pull Request: https://github.com/freebsd/freebsd-src/pull/783

Merge ^/head r340235 through r340367.

Cross-reference nohup(1) and daemon(8).

Reviewed by: bcr
Approved by: krion (mentor, implicit), mat (mentor, implicit)
Differential Revision: https://reviews.freebsd.org/D17920

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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Remove the advertising clause from UCB copyrighted files in usr.bin. This
is in accordance with the information provided at
ftp://ftp.cs.berkeley.edu/pub/4bsd/README.Impt.License.Change

Also add $F

Remove the advertising clause from UCB copyrighted files in usr.bin. This
is in accordance with the information provided at
ftp://ftp.cs.berkeley.edu/pub/4bsd/README.Impt.License.Change

Also add $FreeBSD$ to a few files to keep svn happy.

Discussed with: imp, rwatson

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Added the EXIT STATUS section where appropriate.

Refer to utilities, not commands, for consistency with env(1), nice(1), etc.

Document the fairly obvious effects of the PATH environment variable.

mdoc(7) police: bump document date for the previous delta, fix markup.

o Integrate security enhancements from OpenBSD.
- Don't assume environment variable HOME is not NULL.
o Integrate standards compliance from NetBSD.
- Allow -- before the command.
- Blocking SIG

o Integrate security enhancements from OpenBSD.
- Don't assume environment variable HOME is not NULL.
o Integrate standards compliance from NetBSD.
- Allow -- before the command.
- Blocking SIGQUIT isn't standards compliant.
- Proper exit(3) levels.
- Actually append to nohup.out (as documented and required
by standard) instead of clobbering it.
o Remove some FreeBSD specific access(2) cruft (relating to
incorrect appending).
o Document the fact that two or more instances of nohup can
append to the same file.
o Constify; Staticize functions; Set WARNS?=2

Reviewed by: bde
Approved by: des
Obtained from: NetBSD, OpenBSD
MFC after: 9 days

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

Sync SYNOPSIS and usage() string.

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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$Id$ -> $FreeBSD$

Add $Id$, to make it simpler for members of the translation teams to
track.

The $Id$ line is normally at the bottom of the main comment block in the
man page, separated from the rest of the manpage

Add $Id$, to make it simpler for members of the translation teams to
track.

The $Id$ line is normally at the bottom of the main comment block in the
man page, separated from the rest of the manpage by an empty comment,
like so;

.\" $Id$
.\"

If the immediately preceding comment is a @(#) format ID marker than the
the $Id$ will line up underneath it with no intervening blank lines.
Otherwise, an additional blank line is inserted.

Approved by: bde

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Use err(3).

BSD 4.4 Lite Usr.bin Sources

Added the EXIT STATUS section where appropriate.

Refer to utilities, not commands, for consistency with env(1), nice(1), etc.

Document the fairly obvious effects of the PATH environment variable.

mdoc(7) police: bump document date for the previous delta, fix markup.