Work on file usr/man/man4/drum.4
Synthesized-from: 3bsd
--- /dev/null
+.TH DRUM 4
+.UC
+.SH NAME
+drum \- paging device
+.SH SYNOPSIS
+This file refers to the paging device in use by the system.
+This may actually be a subdevice of one of the disk drivers, but in
+a system with paging spread across multiple disk drives or interleaved
+will be an indirect driver.
+.SH FILES
+/dev/drum
+.SH SEE ALSO
+``Data Structures added in the Berkeley Virtual Memory Extensions to the
+\s-2UNIX\s0 System'' by O. Babaoglu and W. Joy
+.SH BUGS