diff --git a/docs/INSTALL b/docs/INSTALL
index f9029910b7f801a0147cf0a179ccaabcb87a6686..c4307977650e9a06eed28eb6d6aec55a48e14ac5 100644
--- a/docs/INSTALL
+++ b/docs/INSTALL
@@ -379,10 +379,13 @@ PORTS
         - Alpha OpenVMS V7.1-1H2
         - Alpha Tru64 v5.0 5.1
         - HP-PA HP-UX 9.X 10.X 11.X
+        - HP-PA Linux
         - MIPS IRIX 6.2, 6.5
+        - MIPS Linux
         - Power AIX 4.2, 4.3.1, 4.3.2
         - PowerPC Darwin 1.0
         - PowerPC Linux
+        - PowerPC Mac OS 9
         - PowerPC Mac OS X
         - SINIX-Z v5
         - Sparc Linux
@@ -403,6 +406,7 @@ PORTS
         - i386 Windows 95, 98, ME, NT, 2000
         - ia64 Linux 2.3.99
         - m68k AmigaOS 3
+        - m68k Linux
         - m68k OpenBSD
         - s390 Linux