chiark / gitweb /
journalctl: implement --since= and --until for filtering by time
[elogind.git] / man / bootup.xml
index ae84cff0b79d82ba5c049b5652ba2418e24aa3c7..4cc4bafab776320c3cf2782023e3863990816159 100644 (file)
@@ -44,7 +44,7 @@
 
         <refnamediv>
                 <refname>bootup</refname>
 
         <refnamediv>
                 <refname>bootup</refname>
-                <refpurpose>The System Bootup Process</refpurpose>
+                <refpurpose>System bootup process</refpurpose>
         </refnamediv>
 
         <refsect1>
         </refnamediv>
 
         <refsect1>
@@ -53,7 +53,7 @@
                 <para>A number of different components are involved in the
                 system boot. Immediately after power-up, the system
                 BIOS will do minimal hardware initialization, and hand
                 <para>A number of different components are involved in the
                 system boot. Immediately after power-up, the system
                 BIOS will do minimal hardware initialization, and hand
-                control over to a boot loader stored on a persistant
+                control over to a boot loader stored on a persistent
                 storage device. This boot loader will then invoke an
                 OS kernel from disk (or the network). In the Linux
                 case this kernel now (optionally) extracts and
                 storage device. This boot loader will then invoke an
                 OS kernel from disk (or the network). In the Linux
                 case this kernel now (optionally) extracts and
@@ -73,7 +73,7 @@
                 storage technologies backing them), and then
                 (optionally) jumps back into the initrd code which
                 unmounts/detaches the root file system and the storage
                 storage technologies backing them), and then
                 (optionally) jumps back into the initrd code which
                 unmounts/detaches the root file system and the storage
-                it resides on. As last step the system powered down.</para>
+                it resides on. As last step the system is powered down.</para>
 
                 <para>Additional information about the system boot
                 process may be found in
 
                 <para>Additional information about the system boot
                 process may be found in
                 target units are available, as listed on
                 <citerefentry><refentrytitle>systemd.special</refentrytitle><manvolnum>7</manvolnum></citerefentry>.</para>
 
                 target units are available, as listed on
                 <citerefentry><refentrytitle>systemd.special</refentrytitle><manvolnum>7</manvolnum></citerefentry>.</para>
 
-                <para>The follow chart is a structural overview of
+                <para>The following chart is a structural overview of
                 these well-known units and their position in the
                 boot-up logic. The arrows describe which units are
                 pulled in and ordered before which other units. Units
                 these well-known units and their position in the
                 boot-up logic. The arrows describe which units are
                 pulled in and ordered before which other units. Units
                                                v
                                          basic.target
                                                |
                                                v
                                          basic.target
                                                |
-                             _________________/|                                 emergency.service
-                            /                  |                                         |
-                            |                  |                                         v
-                            v                  v                                 <emphasis>emergency.target</emphasis>
-                     (various system    (various system
-                        services           services)
-                      required for             |
-                     graphical UIs)            v
-                            |           <emphasis>multi-user.target</emphasis>
-                            |                  |
-                            | _________________/
-                            |/
+            __________________________________/|                                 emergency.service
+           /                |                  |                                         |
+           |                |                  |                                         v
+           v                v                  v                                 <emphasis>emergency.target</emphasis>
+       display-      (various system    (various system
+   manager.service       services           services)
+           |           required for            |
+           |          graphical UIs)           v
+           |                |           <emphasis>multi-user.target</emphasis>
+           |                |                  |
+           \_______________ | _________________/
+                           \|/
                             v
                     <emphasis>graphical.target</emphasis></programlisting>
 
                             v
                     <emphasis>graphical.target</emphasis></programlisting>
 
 
 
 
 
 
 
-<programlisting>                   (conflicts with  (conflicts with
-                     all system     all file system
-                      services)     mounts, swaps,
-                          |           cryptsetup
-                          |          devices, ...)
-                          |                |
-                          v                v
-                   shutdown.target    umount.target
-                          |                |
-                          \_______   ______/
-                                  \ /
-                                   v
-                          (various low-level
-                               services)
-                                   |
-                                   v
-                             final.target
-                                   |
-        __________________________/ \_____________________
-       /                  |                |              \
-       |                  |                |              |
-       v                  v                v              v
-reboot.service    poweroff.service   halt.service   kexec.service
-       |                  |                |              |
-       v                  v                v              v
-<emphasis>reboot.target</emphasis>     <emphasis>poweroff.target</emphasis>    <emphasis>halt.target</emphasis>    <emphasis>kexec.target</emphasis></programlisting>
+<programlisting>                                  (conflicts with  (conflicts with
+                                    all system     all file system
+                                     services)     mounts, swaps,
+                                         |           cryptsetup
+                                         |          devices, ...)
+                                         |                |
+                                         v                v
+                                  shutdown.target    umount.target
+                                         |                |
+                                         \_______   ______/
+                                                 \ /
+                                                  v
+                                         (various low-level
+                                              services)
+                                                  |
+                                                  v
+                                            final.target
+                                                  |
+            _____________________________________/ \_________________________________
+           /                         |                        |                      \
+           |                         |                        |                      |
+           v                         v                        v                      v
+systemd-reboot.service   systemd-poweroff.service   systemd-halt.service   systemd-kexec.service
+           |                         |                        |                      |
+           v                         v                        v                      v
+    <emphasis>reboot.target</emphasis>             <emphasis>poweroff.target</emphasis>            <emphasis>halt.target</emphasis>           <emphasis>kexec.target</emphasis></programlisting>
 
                 <para>Commonly used system shutdown targets are <emphasis>emphasized</emphasis>.</para>
         </refsect1>
 
                 <para>Commonly used system shutdown targets are <emphasis>emphasized</emphasis>.</para>
         </refsect1>