diff --git a/Makefile b/Makefile
index aad209c1..a7896ffb 100644
--- a/Makefile
+++ b/Makefile
@@ -31,10 +31,17 @@ SIMHV3_URL=http://simh.trailing-edge.com/sources
 
 include conf/network
 
+# if user hasn't changed HOSTNAME, and MCHN is not DB, then update HOSTNAME
+ifeq ($(HOSTNAME),DB-ITS.EXAMPLE.COM)
+  ifneq ($(MCHN),DB)
+    HOSTNAME = $(MCHN)-ITS.EXAMPLE.COM
+  endif
+endif
+
 # The directores listed in SRC, DOC, and BIN are put on the sources tape.
 SRC = syseng sysen1 sysen2 sysen3 sysnet kshack dragon channa	\
       _teco_ emacs emacs1 rms klh syshst sra mrc ksc eak gren	\
-      bawden _mail_ l lisp libdoc comlap lspsrc nilcom rwk chprog rg	\
+      bawden l lisp libdoc comlap lspsrc nilcom rwk chprog rg	\
       inquir acount gz sys decsys ecc alan sail kcc kcc_sy c games archy dcp \
       spcwar rwg libmax rat z emaxim rz maxtul aljabr cffk das ell ellen \
       jim jm jpg macrak maxdoc maxsrc mrg munfas paulw reh rlb rlb% share \
@@ -100,6 +107,7 @@ TEK=tools/tek4010/tek4010
 SIMH_IMLAC=tools/simh/BIN/imlac $(OUT)/ssv22.iml
 
 H3TEXT=$(shell cd build; ls h3text.*)
+NAMES=$(shell cd build; ls names.*)
 DDT=$(shell cd src; ls sysen1/ddt.* syseng/lsrtns.* syseng/msgs.* syseng/datime.* syseng/ntsddt.*)
 SALV=$(shell cd src; ls kshack/nsalv.* syseng/format.* syseng/rfn.*)
 KSFEDR=$(shell cd src; ls kshack/ksfedr.*)
@@ -225,13 +233,14 @@ $(KLDCPDIR): $(KLFEDR)
 	$(MKDIR) $(OUT)/_klfe_
 	$(KLFEDR) > "$(OUT)/_klfe_/kldcp.$(leftparen)dir$(rightparen)"
 
-$(OUT)/sources.tape: $(OUT)/stamp/touch $(ITSTAR) $(OUT)/stamp/pdp10 $(OUT)/syshst/$(H3TEXT)
+$(OUT)/sources.tape: $(OUT)/stamp/touch $(ITSTAR) $(OUT)/stamp/pdp10 $(OUT)/syshst/$(H3TEXT) $(OUT)/_mail_/$(NAMES)
 	$(MKDIR) $(OUT)
 	$(RM) -f src/*/*~
 	$(ITSTAR) -cf $@ -C src $(SRC)
 	$(ITSTAR) -rf $@ -C doc $(DOC)
 	$(ITSTAR) -rf $@ -C bin $(BIN)
 	$(ITSTAR) -rf $@ -C $(OUT) syshst
+	$(ITSTAR) -rf $@ -C $(OUT) _mail_
 
 $(OUT)/salv.tape: $(WRITETAPE) $(RAM) $(NSALV)
 	$(MKDIR) $(OUT)
@@ -286,11 +295,11 @@ out/pdp10-ka/stamp/pdp10: $(KA10) start out/pdp10-ka/run
 	$(MKDIR) $(OUT)/stamp
 	$(TOUCH) $@
 
-out/pdp10-kl/stamp/pdp10: $(KL10) start
+out/pdp10-kl/stamp/pdp10: $(KL10) start out/pdp10-kl/run
 	$(MKDIR) $(OUT)/stamp
 	$(TOUCH) $@
 
-out/pdp10-ks/stamp/pdp10: $(KS10) start
+out/pdp10-ks/stamp/pdp10: $(KS10) start out/pdp10-ks/run
 	$(MKDIR) $(OUT)/stamp
 	$(TOUCH) $@
 
@@ -310,15 +319,21 @@ out/simh/system:
 
 out/pdp10-ka/system:
 	$(MKDIR) $(OUT)/system
-	cp build/pdp10-ka/config.* $(OUT)/system
+	x=`echo $(IP) | tr . ,`; \
+	$(SED) -e "s/%IP%/$$x/" \
+	    -e 's/%NETMASK%/$(NETMASK)/' < build/pdp10-ka/config.202 > $(OUT)/system/config.202
 
 out/pdp10-kl/system:
 	$(MKDIR) $(OUT)/system
-	cp build/pdp10-kl/config.* $(OUT)/system
+	x=`echo $(IP) | tr . ,`; \
+	$(SED) -e "s/%IP%/$$x/" \
+	    -e 's/%NETMASK%/$(NETMASK)/' < build/pdp10-kl/config.203 > $(OUT)/system/config.203
 
 out/pdp10-ks/system:
 	$(MKDIR) $(OUT)/system
-	cp build/pdp10-ks/config.* $(OUT)/system
+	x=`echo $(IP) | tr . ,`; \
+	$(SED) -e "s/%IP%/$$x/" \
+	    -e 's/%NETMASK%/$(NETMASK)/' < build/pdp10-ks/config.202 > $(OUT)/system/config.202
 
 out/simhv3/system:
 	$(MKDIR) $(OUT)/system
@@ -335,14 +350,30 @@ out/simh/boot: build/mchn/$(MCHN)/boot
 
 out/pdp10-ka/run: build/mchn/$(MCHN)/run
 	$(MKDIR) $(OUT)/stamp
-	cp $< $@
+	$(SED) -e 's/%IP%/$(IP)/' \
+	    -e 's/%GW%/$(GW)/' < $< > $@
+
+out/pdp10-kl/run: build/mchn/$(MCHN)/run
+	$(MKDIR) $(OUT)/stamp
+	$(SED) -e 's/%IP%/$(IP)/' \
+	    -e 's/%GW%/$(GW)/' < $< > $@
+
+out/pdp10-ks/run: build/pdp10-ks/run
+	$(MKDIR) $(OUT)/stamp
+	$(SED) -e 's/%IP%/$(IP)/' \
+	    -e 's/%GW%/$(GW)/' < $< > $@
 
 $(OUT)/syshst/$(H3TEXT): build/$(H3TEXT)
 	$(MKDIR) $(OUT)/syshst
 	$(SED) -e 's/%IP%/$(IP)/' \
-	    -e 's/%HOSTNAME%/$(HOSTNAME)/' < $< > $@
+	    -e 's/%HOSTNAME%/$(HOSTNAME)/' \
+	    -e 's/%MCHN%/$(MCHN)/' < $< > $@
 	$(CAT) conf/hosts >> $@
 
+$(OUT)/_mail_/$(NAMES): build/$(NAMES)
+	$(MKDIR) $(OUT)/_mail_
+	$(SED) -e 's/%MCHN%/$(MCHN)/' < $< > $@
+
 $(KLH10):
 	cd tools/klh10; \
 	$(RM) -rf tmp; \
diff --git a/build/h3text.2018 b/build/h3text.2018
index d35d77b8..41c9fb88 100644
--- a/build/h3text.2018
+++ b/build/h3text.2018
@@ -32,7 +32,7 @@ NET : 192.0.0.0 : C-192 :
 HOST : CHAOS 177001 : BRIDGE, LOCAL-TIME-SERVER : UNIX : UNIX : :
 
 ;;; Generated by build script.
-HOST : CHAOS 177002, %IP% : %HOSTNAME%, DB : PDP-10 : ITS : :
+HOST : CHAOS 177002, %IP% : %HOSTNAME%, %MCHN% : PDP-10 : ITS : :
 
 ;; SDF public ITS machines.
 HOST : 205.166.94.7 : HACTRN.ORG, HX : PDP-10 : ITS : :
diff --git a/build/mchn/DB/run b/build/mchn/DB/run
new file mode 100644
index 00000000..c89a356d
--- /dev/null
+++ b/build/mchn/DB/run
@@ -0,0 +1,17 @@
+set console wru=034
+set cpu its
+set cpu idle
+set tim y2k
+set ch enabled
+set ch node=177002
+set ch peer=localhost:44041
+att ch 44042
+set dz 8b lines=8
+at -u dz0 10004
+# VT52
+at -u dz0 line=7,10018
+# GT40
+at -u dz0 line=6,10019
+set rpa0 rp06
+at rpa0 out/simh/rp0.dsk
+b rpa0
diff --git a/build/mchn/KA/run b/build/mchn/KA/run
index 717de82d..84daafe9 100644
--- a/build/mchn/KA/run
+++ b/build/mchn/KA/run
@@ -40,8 +40,8 @@ at auxcpu 10006
 set imp enabled
 set imp mac=e2:6c:84:1d:34:a3
 set imp ip=192.168.2.101/24
-set imp gw=172.31.1.100
-set imp host=10.3.0.6
+set imp gw=%GW%
+set imp host=%IP%
 at imp tap:tap0
 set ch enabled
 set ch node=177002
diff --git a/build/pdp10-kl/run b/build/mchn/KL/run
similarity index 81%
rename from build/pdp10-kl/run
rename to build/mchn/KL/run
index 3366e84b..3b725a99 100644
--- a/build/pdp10-kl/run
+++ b/build/mchn/KL/run
@@ -24,9 +24,18 @@ set rpa2 rp04
 at rpa0 out/pdp10-kl/rp04.0
 at rpa1 out/pdp10-kl/rp04.1
 at rpa2 out/pdp10-kl/rp04.2
+#
+set imp enabled
+set imp mac=e2:6c:84:1d:34:a3
+set imp ip=192.168.2.101/24
+set imp gw=%GW%
+set imp host=%IP%
+at imp tap:tap0
+#
 set ch enabled
 set ch node=177002
 set ch peer=localhost:44041
 att ch 44042
+#
 load -i bin/kl10/boot/@.ddt
 go
diff --git a/src/_mail_/names.2010 b/build/names.2010
similarity index 78%
rename from src/_mail_/names.2010
rename to build/names.2010
index 31216245..6bdb7b4b 100644
--- a/src/_mail_/names.2010
+++ b/build/names.2010
@@ -1,7 +1,7 @@
 ;;; -*- Fundamental -*-                          
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 ;;;
-;;; This file belongs on DB.  DO NOT COPY TO OTHER MACHINES!!
+;;; This file belongs on %MCHN%.  DO NOT COPY TO OTHER MACHINES!!
 ;;;
 ;;; The format of this file is documented in .MAIL.;NAMES INFO.
 ;;; You should read that before modifying it.  Also, there are
@@ -22,20 +22,20 @@
 
 ;;; Various special sacred lists - don't mung these!
 
-(SYS-OPERATING-TROUBLE (EQV-LIST DB-ADMIN))
-(MAGIC-DRAGON-KEEPER (EQV-LIST DB-ADMIN))
+(SYS-OPERATING-TROUBLE (EQV-LIST %MCHN%-ADMIN))
+(MAGIC-DRAGON-KEEPER (EQV-LIST %MCHN%-ADMIN))
 
 ; Mail maintenance stuff.  Do not fuck with this.
 (BUG-MAIL (EQV-LIST BUG-QMAIL))
 (BUG-MAILER (EQV-LIST BUG-QMAIL))
 (BUG-QMAIL (EQV-LIST BUG-MAIL-AND-POSTMASTER [.MAIL.;MAIL BUGS]))
-(BUG-MAIL-AND-POSTMASTER (EQV-LIST DB-ADMIN))
+(BUG-MAIL-AND-POSTMASTER (EQV-LIST %MCHN%-ADMIN))
 (POSTMASTER (EQV-LIST BUG-MAIL-AND-POSTMASTER))
-(MAIL-DIR-MAINT (EQV-LIST DB-ADMIN))
+(MAIL-DIR-MAINT (EQV-LIST %MCHN%-ADMIN))
 (MAIL-MAINTAINERS (EQV-LIST ([.MAIL.;FAILED STUFF] (R-OPTION FAST-APPEND))
-		  DB-ADMIN))
+		  %MCHN%-ADMIN))
 (H3MAKE-MAINTAINERS (EQV-LIST ([.MAIL.;FAILED STUFF] (R-OPTION FAST-APPEND))
-		    	      DB-ADMIN))
+		    	      %MCHN%-ADMIN))
 (COMSAT (EQV-LIST MAIL-MAINTAINERS))
 (H3MAKE (EQV-LIST H3MAKE-MAINTAINERS))
 (DEAD-MAIL-RECEIPTS (EQV-LIST [NUL:])) ; out for dead msgs
@@ -46,7 +46,7 @@
 
 ; Inquire database daemon.  These are needed in order to update
 ; the database!
-(UPDATE-ITS-INQUIR (EQV-LIST UPDATE-INQUIR@DB))
+(UPDATE-ITS-INQUIR (EQV-LIST UPDATE-INQUIR@%MCHN%))
 (UPDATE-INQUIR (EQV-LIST ([INQUIR;INQUPD RECORD] (R-OPTION APPEND))
 			  [INQUIR;.UPD1. >]
 			  (PGM [INQUIR;INQUPD BIN]
@@ -67,18 +67,18 @@
 
 ;; The entry for "*" is the only one which varies in the NAMES file for
 ;; each site.
-(* (R-OPTION NOTDIST) (EQV-LIST *DB))
+(* (R-OPTION NOTDIST) (EQV-LIST *%MCHN%))
 ;; *msg mailing lists -- see .MAIL.;BBOARD INFO for accepted policy on
 ;; which list to use for what purpose.
-(*ITS (R-OPTION NOTDIST) (EQV-LIST *DB))
+(*ITS (R-OPTION NOTDIST) (EQV-LIST *%MCHN%))
 ;; BBOARD goes most everywhere but is not shown by :MSGS by default
 (BBOARD (EQV-LIST (*BBOARD)))
 (*BBOARD (EQV-LIST *MSGS-TO-ITSES))
 
 ;; Hosts that can receive *msgs
-(*DB (EQV-LIST *MSGS-TO-ITSES))
+(*%MCHN% (EQV-LIST *MSGS-TO-ITSES))
 (*MSGS-TO-ITSES (R-OPTION NOTDIST)
-  (EQV-LIST (*MSG-SINK@DB (R-OPTION NOTDIST))))
+  (EQV-LIST (*MSG-SINK@%MCHN% (R-OPTION NOTDIST))))
 ; This is final "sink". Mailer converts to filename specially.
 (*MSG-SINK (R-OPTION NOTDIST))
 
@@ -86,26 +86,26 @@
 ; vectored to (BUG RANDOM-PROGRAM) instead, at a host address patched
 ; into COMSAT at location BUGHST.
 
-(BUG-RANDOM-PROGRAM (EQV-LIST DB-ADMIN))
+(BUG-RANDOM-PROGRAM (EQV-LIST %MCHN%-ADMIN))
 
 
 ;; The remaining names are not necessary to the operation of ITS but
 ;; are generally useful, I suppose.
 
 ; Plausible generic contact names.
-(NETWORK-LIAISON (EQV-LIST DB-ADMIN))
+(NETWORK-LIAISON (EQV-LIST %MCHN%-ADMIN))
 (LIASON (EQV-LIST NETWORK-LIAISON))
 (LIAISON (EQV-LIST NETWORK-LIAISON))
 (ACTION (EQV-LIST NETWORK-LIAISON))
 
 ; Personal lists and stuff.
 
-(DB-ADMIN (EQV-LIST [.MAIL.;ADMIN MAIL]))
+(%MCHN%-ADMIN (EQV-LIST [.MAIL.;ADMIN MAIL]))
 
-(ACCOUNTS-NOTIFICATION (EQV-LIST DB-ADMIN))
-(USER-ACCOUNTS (EQV-LIST DB-ADMIN))
-(ACCOUNTS-HELD-REFUSED (EQV-LIST DB-ADMIN))
-(USER-ACCOUNTS-ARCHIVE (EQV-LIST DB-ADMIN))
-(PASSWORD-SYSTEM (EQV-LIST DB-ADMIN))
-(BUGGY-PWORD (EQV-LIST DB-ADMIN))
-(HIPY-PAPY-BTHUTHDTH-THUTHDA-BTHUTHDY (EQV-LIST DB-ADMIN))
+(ACCOUNTS-NOTIFICATION (EQV-LIST %MCHN%-ADMIN))
+(USER-ACCOUNTS (EQV-LIST %MCHN%-ADMIN))
+(ACCOUNTS-HELD-REFUSED (EQV-LIST %MCHN%-ADMIN))
+(USER-ACCOUNTS-ARCHIVE (EQV-LIST %MCHN%-ADMIN))
+(PASSWORD-SYSTEM (EQV-LIST %MCHN%-ADMIN))
+(BUGGY-PWORD (EQV-LIST %MCHN%-ADMIN))
+(HIPY-PAPY-BTHUTHDTH-THUTHDA-BTHUTHDY (EQV-LIST %MCHN%-ADMIN))
diff --git a/build/pdp10-ka/build.tcl b/build/pdp10-ka/build.tcl
index 5ef9ea1b..160f866b 100644
--- a/build/pdp10-ka/build.tcl
+++ b/build/pdp10-ka/build.tcl
@@ -62,12 +62,11 @@ proc quit_emulator {} {
 }
 
 proc initialize_comsat {} {
-    # commented out because you cannot run COMSAT initialization without network
-    # support
-    #respond "*" ":job comsat\r"
-    #respond "*" ":load .mail.;comsat launch\r"
-    #respond "*" "debug/-1\r"
-    #type "mfinit\033g"
+    respond "*" ":job comsat\r"
+    respond "*" ":load .mail.;comsat launch\r"
+    respond "*" "debug/-1\r"
+    type "mfinit\033g"
+	respond "Proceeding will launch Comsat" ":kill\r"
 }
 
 source build/ka10/include.tcl
diff --git a/build/pdp10-ka/config.202 b/build/pdp10-ka/config.202
index cd3976fa..25433dc9 100644
--- a/build/pdp10-ka/config.202
+++ b/build/pdp10-ka/config.202
@@ -236,7 +236,8 @@ DEFOPT NETP==1		; Has net connection
 DEFOPT IMPP==1		; Has IMP interface
 DEFOPT KAIMP==1
 DEFOPT IMPUS==306	; ARPA net host number
-DEFOPT IMPUS3==<IPADDR 10,3,0,6>	; Internet host number
+DEFOPT IMPUS3==<IPADDR %IP%>	; IP address
+DEFOPT NM%IMP==0	; Subnet mask (doesn't appear to work if set to real mask)
 DEFOPT NCPP==0		; Flush NCP code
 DEFOPT NNETCH==20.	; # NCP net channels
 DEFOPT INETP==1		; Include Internet code
diff --git a/build/pdp10-kl/build.tcl b/build/pdp10-kl/build.tcl
index cd46ac3b..de079521 100644
--- a/build/pdp10-kl/build.tcl
+++ b/build/pdp10-kl/build.tcl
@@ -48,13 +48,13 @@ proc quit_emulator {} {
 }
 
 proc initialize_comsat {} {
-    # commented out because you cannot run COMSAT initialization without network
-    # support
-    #respond "*" ":job comsat\r"
-    #respond "*" ":load .mail.;comsat launch\r"
-    #respond "*" "debug/-1\r"
-    #type "mfinit\033g"
+    respond "*" ":job comsat\r"
+    respond "*" ":load .mail.;comsat launch\r"
+    respond "*" "debug/-1\r"
+    type "mfinit\033g"
+	respond "Proceeding will launch Comsat" ":kill\r"
 }
 
+
 source build/kl10/include.tcl
 source build/build.tcl
diff --git a/build/pdp10-kl/config.203 b/build/pdp10-kl/config.203
index 30e03de8..137d5ac7 100644
--- a/build/pdp10-kl/config.203
+++ b/build/pdp10-kl/config.203
@@ -512,7 +512,8 @@ DEFOPT XBL==25.		; # TCP connections
 DEFOPT IMPP==1		; Has IMP interface
 DEFOPT KAIMP==1
 DEFOPT IMPUS==106	; ARPA net host number
-DEFOPT IMPUS3==<IPADDR 192,168,1,100>	; Internet host number
+DEFOPT IMPUS3==<IPADDR %IP%>	; IP address
+DEFOPT NM%IMP==<IPADDR %NETMASK%>	; Subnet mask
 DEFOPT NCPP==0		; Flush NCP code
 DEFOPT NNETCH==30.	; # NCP network channels
 DEFOPT CHAOSP==1	;NO CHAOS NET
diff --git a/build/pdp10-kl/start b/build/pdp10-kl/start
index edac8fab..dcc44111 100755
--- a/build/pdp10-kl/start
+++ b/build/pdp10-kl/start
@@ -57,5 +57,5 @@ while test -n "$1"; do
     shift
 done
 
-tools/sims/BIN/pdp10-kl build/pdp10-kl/run
+tools/sims/BIN/pdp10-kl out/pdp10-kl/run
 exit 0
diff --git a/build/pdp10-ks/boot b/build/pdp10-ks/boot
index a449db17..28b2367f 100644
--- a/build/pdp10-ks/boot
+++ b/build/pdp10-ks/boot
@@ -3,6 +3,8 @@ set cpu its
 set cpu idle
 set dz 8b lines=8
 at -u dz0 10004
+set imp enabled
+set imp simp
 set ch enabled
 set ch node=177002
 set ch peer=localhost:44041
diff --git a/build/pdp10-ks/build.tcl b/build/pdp10-ks/build.tcl
index bffc4164..3b9056f1 100644
--- a/build/pdp10-ks/build.tcl
+++ b/build/pdp10-ks/build.tcl
@@ -51,12 +51,11 @@ proc quit_emulator {} {
 }
 
 proc initialize_comsat {} {
-    # commented out because you cannot run COMSAT initialization without network
-    # support
-    #respond "*" ":job comsat\r"
-    #respond "*" ":load .mail.;comsat launch\r"
-    #respond "*" "debug/-1\r"
-    #type "mfinit\033g"
+    respond "*" ":job comsat\r"
+    respond "*" ":load .mail.;comsat launch\r"
+    respond "*" "debug/-1\r"
+    type "mfinit\033g"
+	respond "Proceeding will launch Comsat" ":kill\r"
 }
 
 source build/ks10/include.tcl
diff --git a/build/pdp10-ks/config.202 b/build/pdp10-ks/config.202
index 13525485..19256382 100644
--- a/build/pdp10-ks/config.202
+++ b/build/pdp10-ks/config.202
@@ -960,6 +960,14 @@ DEFOPT NMTCS==1		;Number of magtape units (so why not NMTUS?)
 DEFOPT TM03S==1		;TM03/RH11 Unibus tape controller
 
 DEFOPT NETP==1		; Connected to a network
+DEFOPT INETP==1     ; Include Internet code
+DEFOPT TCPP==1      ; Include TCP code
+DEFOPT XBL==30.     ; # TCP network channels
+DEFOPT IMPP==1      ; Has an IMP interface
+DEFOPT SSIMP==1     ; Hooked to "Simulated Simple IMP"
+DEFOPT IMPUS==106   ; ARPA net host number
+DEFOPT IMPUS3==<IPADDR %IP%>	; IP address
+DEFOPT NM%IMP==<IPADDR %NETMASK%>	; Subnet mask
 DEFOPT CHAOSP==1	;CHAOS NET
 DEFOPT MYCHAD==177002	;CHAOS NET ADDRESS
 DEFOPT NINDX==30.	;NUMBER OF INDICES
diff --git a/build/pdp10-ks/init b/build/pdp10-ks/init
index 1812cf9a..ebe9226d 100644
--- a/build/pdp10-ks/init
+++ b/build/pdp10-ks/init
@@ -3,6 +3,8 @@ set cpu its
 set tim y2k
 set ch enabled
 set ch node=177002
+set imp enabled
+set imp simp
 at tua0 out/pdp10-ks/minsys.tape
 at tua1 out/pdp10-ks/salv.tape
 set rpa0 rp06
diff --git a/build/pdp10-ks/run b/build/pdp10-ks/run
new file mode 100644
index 00000000..7e5e3a75
--- /dev/null
+++ b/build/pdp10-ks/run
@@ -0,0 +1,25 @@
+set console wru=034
+set cpu its
+set cpu idle
+set dz 8b lines=8
+at -u dz0 10004
+#
+set imp enabled
+set imp simp
+set imp mac=e2:6c:84:1d:34:a3
+set imp ip=192.168.2.101/24
+set imp gw=%GW%
+set imp host=%IP%
+at imp tap:tap0
+#
+set ch enabled
+set ch node=177002
+set ch peer=localhost:44041
+att ch 44042
+# VT52
+at -u dz0 line=7,10018
+# GT40
+at -u dz0 line=6,10019
+set rpa0 rp06
+at rpa0 out/pdp10-ks/rp0.dsk
+b rpa0
diff --git a/build/pdp10-ks/start b/build/pdp10-ks/start
index 2c9998ad..1d14d7a4 100755
--- a/build/pdp10-ks/start
+++ b/build/pdp10-ks/start
@@ -56,5 +56,5 @@ while test -n "$1"; do
     shift
 done
 
-tools/sims/BIN/pdp10-ks build/pdp10-ks/boot
+tools/sims/BIN/pdp10-ks out/pdp10-ks/run
 exit 0