--- a/alpine.rst	Sun Mar 04 00:25:11 2018 +0200
+++ b/alpine.rst	Sun Mar 04 00:29:22 2018 +0200
@@ -6,6 +6,32 @@
 .. contents::
    :local:
 
+Init system
+===========
+
+Manage run levels::
+
+  rc-update add $SERVICE $LEVEL
+  rc-update del $SERVICE $LEVEL
+  rc-service $SERVICE start
+  rc-service $SERVICE restart
+  rc-service $SERVICE stop
+
+Equivalent to shutdown -r now from traditional GNU/Linux systems::
+
+  reboot
+
+Equivalent to shutdown -h now from traditional GNU/Linux systems::
+
+  halt
+
+To turn off the machine::
+
+  poweroff
+
+https://wiki.alpinelinux.org/wiki/Alpine_Linux_Init_System
+  Alpine Linux Init System
+
 Package manager
 ===============