diff --git a/config/CONFIG.Linux b/config/CONFIG.Linux
index 63c69571d..073e5ec0a 100644
--- a/config/CONFIG.Linux
+++ b/config/CONFIG.Linux
@@ -22,6 +22,7 @@ YACC = $(EYACC)
 LEX = $(ELEX)
 G++ = g++
 CCC = CC
+MV = mv
 RMDIR = rm -rf
 MKDIR = mkdir
 
diff --git a/config/CONFIG.alpha b/config/CONFIG.alpha
index a1bde02de..ac27ff537 100644
--- a/config/CONFIG.alpha
+++ b/config/CONFIG.alpha
@@ -18,6 +18,7 @@ YACC = $(EYACC)
 LEX = $(ELEX)
 G++ = g++
 CCC = CC
+MV = mv
 RMDIR = rm -rf
 MKDIR = mkdir
 
diff --git a/config/CONFIG.hp700 b/config/CONFIG.hp700
index f89f10384..97ad45438 100644
--- a/config/CONFIG.hp700
+++ b/config/CONFIG.hp700
@@ -20,6 +20,7 @@ YACC = $(EYACC)
 LEX = $(ELEX)
 G++ = g++
 CCC = CC
+MV = mv
 RMDIR = rm -rf
 MKDIR = mkdir
 
diff --git a/config/CONFIG.sgi b/config/CONFIG.sgi
index 8d03f8372..c636b77eb 100644
--- a/config/CONFIG.sgi
+++ b/config/CONFIG.sgi
@@ -21,6 +21,7 @@ YACC = $(EYACC)
 LEX = $(ELEX)
 G++ = g++
 CCC = CC
+MV = mv
 RMDIR = rm -rf
 MKDIR = mkdir
 
diff --git a/config/CONFIG.solaris b/config/CONFIG.solaris
index a4b07123b..cadd4108c 100644
--- a/config/CONFIG.solaris
+++ b/config/CONFIG.solaris
@@ -20,6 +20,7 @@ YACC = $(EYACC)
 LEX = $(ELEX)
 G++ = /opt/gnu/bin/g++
 CCC = /opt/SUNWspro/bin/CC
+MV = mv
 RMDIR = rm -rf
 MKDIR = mkdir
 
diff --git a/config/CONFIG.sun4 b/config/CONFIG.sun4
index 8aa7be312..d0e6d7c74 100644
--- a/config/CONFIG.sun4
+++ b/config/CONFIG.sun4
@@ -21,6 +21,7 @@ YACC = $(EYACC)
 LEX = $(ELEX)
 G++ = g++
 CCC = /usr/lang/CC
+MV = mv
 RMDIR = rm -rf
 MKDIR = mkdir
 
diff --git a/config/RULES.Unix b/config/RULES.Unix
index c683a23fe..3f2391f0e 100644
--- a/config/RULES.Unix
+++ b/config/RULES.Unix
@@ -84,20 +84,20 @@ $(TARGETS) $(PROD): $(DEPLIBS)
 	$(YACC) $(YACCOPT) $<
 	@if [ -f y.tab.c ]; \
 		then \
-			echo "/bin/mv y.tab.c $*.c"; \
-			/bin/mv y.tab.c $*.c; \
+			echo "$(MV) y.tab.c $*.c"; \
+			$(MV) y.tab.c $*.c; \
 	fi
 	@if [ -f y.tab.h ]; \
 		then \
-			echo "/bin/mv y.tab.h $*.h"; \
-			/bin/mv y.tab.h $*.h; \
+			echo "$(MV) y.tab.h $*.h"; \
+			$(MV) y.tab.h $*.h; \
 	fi
 
 %.c: ../%.l
 	$(RM) lex.yy.c
 	$(LEX) $(LEXOPT) $<
 	$(RM) $@
-	/bin/mv lex.yy.c $@
+	$(MV) lex.yy.c $@
 
 #state notation language rule
 %.c: ../%.st
@@ -130,7 +130,7 @@ $(TARGETS) $(PROD): $(DEPLIBS)
 	$(RM) $(<F).nr
 	ln -s $<
 	$(MANGEN) -s $(<F)
-	mv $(<F).nr $(<F).1
+	$(MV) $(<F).nr $(<F).1
 
 # Mangen Rule:
 %.1:../%
@@ -138,7 +138,7 @@ $(TARGETS) $(PROD): $(DEPLIBS)
 	$(RM) $(<F).nr
 	ln -s $<
 	$(MANGEN) -s $(<F)
-	mv $(<F).nr $(<F).1
+	$(MV) $(<F).nr $(<F).1
 
 $(LIBNAME): $(LIBOBJS)
 	@echo Building library $@
diff --git a/config/RULES.Vx b/config/RULES.Vx
index 001005312..81c7ca687 100644
--- a/config/RULES.Vx
+++ b/config/RULES.Vx
@@ -138,7 +138,7 @@ clean::
 	$(RM) $(<F).nr
 	ln -s $<
 	$(MANGEN) -s $(<F)
-	mv $(<F).nr $(<F).1
+	$(MV) $(<F).nr $(<F).1
 
 
 $(INSTALL_DBD)/%: %