diff --git a/wiki/linux/index.m4 b/wiki/linux/index.m4
index bcd9503..91e79b8 100644
--- a/wiki/linux/index.m4
+++ b/wiki/linux/index.m4
@@ -40,4 +40,6 @@ include(`initramfs.m4')dnl
 
 include(`util-linux.m4')dnl
 
+include(`volumes.m4')dnl
+
 include(`../tail.m4')dnl
diff --git a/wiki/linux/volumes.m4 b/wiki/linux/volumes.m4
new file mode 100644
index 0000000..50c37b6
--- /dev/null
+++ b/wiki/linux/volumes.m4
@@ -0,0 +1,15 @@
+_header(`File systems')
+<P>
+Also see _ref(`/unix/#volumes').
+</P>
+
+_subheader(`UFS')
+_bibliography(`
+_bentr(_link(`how to mount ffs partition under linux', `https://wiki.netbsd.org/tutorials/how_to_mount_ffs_partition_under_linux/') (NetBSD Wiki))
+')
+<P>
+To mount a NetBSD FFSv2 partition in Linux use _cite(`mount(8)'); _code(`mount -o ufstype=ufs2 -t ufs').
+The NetBSD Wiki instead notes _code(`-o ufstype=44bsd')
+but that specific snippet was _link(`imported', `https://wiki.netbsd.org/cgi-bin/cvsweb/wikisrc/tutorials/how_to_mount_ffs_partition_under_linux.mdwn')
+from _link(`a NetBSD.se Wiki page at least as old as 2007', `http://web.archive.org/web/20071112075927/http://wiki.netbsd.se/How_to_mount_FFS_partition_under_Linux').
+</P>
diff --git a/wiki/unix/volumes.m4 b/wiki/unix/volumes.m4
index 17138de..7478ab4 100644
--- a/wiki/unix/volumes.m4
+++ b/wiki/unix/volumes.m4
@@ -22,6 +22,8 @@ Check out the linked pages in the "See also" section.
 <P>
 Use <CODE>mkfs(8)</CODE> for creating filesystems and <CODE>mount(8)</CODE> for mounting partitions' filesystems.
 </P>
+_subheader(`FFS')
+<P>See _ref(`#volumes#ufs').</P>
 <H3>gpart</H3>
 <UL>
 <LI><A HREF="https://en.wikipedia.org/wiki/Gpart">Gpart</A> (Wikipedia)</LI>
@@ -82,3 +84,7 @@ Configuration is in <CODE>/etc/conf.d/dmcrypt</CODE> and further configuration s
 <UL>
 <LI><A HREF="https://en.wikipedia.org/wiki/TestDisk">TestDisk</A> (Wikipedia)</LI>
 </UL>
+_subheader(`UFS')
+_bibliography(`
+_bentr(`_link(`Unix File System', `https://en.wikipedia.org/wiki/Unix_File_System') (Wikipedia)')
+')