mention devmgmt in alpine, add stub in linux

wiki/unix/alpine.m4

@@ -1,6 +1,6 @@
 _header(`Alpine')
 <P>
-Alpine Linux is a small Linux distribution based on musl libc.
+Alpine Linux is a small _ref(`#linux') distribution based on musl libc.
 Its main purpose is to serve as a server distribution, however many have found use for it as a desktop distribution.
 </P>
 
@@ -59,7 +59,7 @@ This is an ordinary _man(`apk-add(8)') call; you may wish to install necessities
 <P>
 Make sure to bind mount (_command(`mount -o bind')) _file(`/dev/'), _file(`/proc/'), and _file(`/sys/') to the corresponding locations on the bootstrap prefix
 and copy _file(`/etc/resolv.conf') over before _ref(`#posix#chroot(1)')ing into the bootstrap directory and finalizing setup.
-Remember to set up users, _ref(`#fstab(5)'), the kernel, and the bootloader if necessary.
+Remember to set up users, _ref(`#fstab(5)'), the kernel, device management, and the bootloader if necessary.
 </P>
 
 _subheader(`postmarketOS')

wiki/unix/linux.m4

@@ -74,6 +74,11 @@ On Alpine you'll need the _program(`pulseaudio'), _program(`pulseaudio-alsa'), a
 Start _man(`pulseaudio(1)') when you want audio, ideally in your _file(`.xinitrc').
 </P>
 
+_subheader(`Device Management')
+_bibliography(`
+_bentr(`_link(`udev', `https://en.wikipedia.org/wiki/Udev') (Wikipedia)')
+')
+
 _subheader(`Distributions')
 <P>
 Linux is usually obtained as part of a software distribution put together to form a useable operating system.