diff --git a/ChangeLog b/ChangeLog
index 9e87990..9e2167b 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2002-02-18  Jim Meyering  <meyering@lucent.com>
+
+	* config.guess: Don't use `head -1'; it's no longer portable.
+	Use `sed 1q' instead.
+
 2002-02-15  Ben Elliston  <bje@redhat.com>
 
 	* config.sub (rtmk*, rtmk-nova*): Recognise.
diff --git a/config.guess b/config.guess
index 88eaf68..db494f8 100755
--- a/config.guess
+++ b/config.guess
@@ -3,7 +3,7 @@
 #   Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
 #   2000, 2001, 2002 Free Software Foundation, Inc.
 
-timestamp='2002-02-15'
+timestamp='2002-02-19'
 
 # This file is free software; you can redistribute it and/or modify it
 # under the terms of the GNU General Public License as published by
@@ -340,7 +340,7 @@ EOF
 	echo m68k-sun-sunos${UNAME_RELEASE}
 	exit 0 ;;
     sun*:*:4.2BSD:*)
-	UNAME_RELEASE=`(head -1 /etc/motd | awk '{print substr($5,1,3)}') 2>/dev/null`
+	UNAME_RELEASE=`(sed 1q /etc/motd | awk '{print substr($5,1,3)}') 2>/dev/null`
 	test "x${UNAME_RELEASE}" = "x" && UNAME_RELEASE=3
 	case "`/bin/arch`" in
 	    sun3)
@@ -509,7 +509,7 @@ EOF
 	fi
 	exit 0 ;;
     *:AIX:*:[45])
-	IBM_CPU_ID=`/usr/sbin/lsdev -C -c processor -S available | head -1 | awk '{ print $1 }'`
+	IBM_CPU_ID=`/usr/sbin/lsdev -C -c processor -S available | sed 1q | awk '{ print $1 }'`
 	if /usr/sbin/lsattr -El ${IBM_CPU_ID} | grep ' POWER' >/dev/null 2>&1; then
 		IBM_ARCH=rs6000
 	else