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-rw-r--r--man7/boot.720
1 files changed, 14 insertions, 6 deletions
diff --git a/man7/boot.7 b/man7/boot.7
index 0b209d8746..4541b8cc8c 100644
--- a/man7/boot.7
+++ b/man7/boot.7
@@ -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),