Index: index.html
===================================================================
--- index.html	(revision 3406)
+++ index.html	(revision 3407)
@@ -57,6 +57,8 @@
 		<br> <a href="mac.txt"> Mac OS X </a>
 		<br> <a href="https://aur.archlinux.org/packages/pcb-rnd-svn/"> Arch Linux (user package) </a>
 <!--		<br> <a href="windows.txt"> Windows </a> -->
+		<br> <a href="UNIX.txt"> IRIX 5.3 </a>
+		<br> (Likely: any 90's UNIX system with motif)
 		<br> Screen resolution as small as 800x600
 		<br> GUI options: motif/lesstif, gtk
 		<br><table border=0 width=100%><tr><td align=right><img src="screenshot.jpg"></table>