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boot.7: Mention `systemd(1)' and its related `bootup(7)' 

It's important that the reader receive contemporary information.

Signed-off-by: Michael Witten <mfwitten@gmail.com>
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
This commit is contained in:
Michael Witten 2015-03-11 21:00:00 +00:00 committed by Michael Kerrisk
parent a879ea438c
commit fbf0b164c2
1 changed files with 14 additions and 6 deletions
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@ -114,6 +114,15 @@ program
to which are passed the parameters that haven't already been
handled by the kernel.
.SS Root user-space process
.TP
Note:
The following description applies to an OS based on UNIX System V Release 4.
Namely, a number of widely used systems have adopted a related but
fundamentally alternative approach known as
.BR systemd (1),
for which the bootup process is detailed in its associated
.BR bootup (7).
.LP
When
.I /sbin/init
starts, it reads
@ -141,11 +150,8 @@ that actually start/stop the individual services.
.SS Boot scripts
.TP
Note:
The following description applies to an OS based on UNIX System V Release 4,
which currently covers most commercial UNIX systems (Solaris, HP-UX, Irix,
Tru64) as well as the major Linux distributions (Red Hat, Debian, Mandriva,
SUSE, Ubuntu).
Some systems (Slackware Linux, FreeBSD, OpenBSD)
The following description applies to an OS based on UNIX System V Release 4.
Namely, a number of widely used systems (Slackware Linux, FreeBSD, OpenBSD)
have a somewhat different scheme for boot scripts.
.LP
For each managed service (mail, nfs server, cron, etc.), there is
@ -199,7 +205,7 @@ To allow a system administrator to change these
inputs without editing an entire boot script,
some separate configuration file is used, and is located in a specific
directory where an associated boot script may find it
(\fI/etc/sysconfig\fR on Red Hat systems).
(\fI/etc/sysconfig\fR on older Red Hat systems).
In older UNIX systems, such a file contained the actual command line
options for a daemon, but in modern Linux systems (and also
@ -213,6 +219,8 @@ the variable values.
.IR /etc/rc[S0\-6].d/ ,
.I /etc/sysconfig/
.SH SEE ALSO
.BR bootup (7)
.BR systemd (1)
.BR inittab (5),
.BR bootparam (7),
.BR init (1),