MAKEMOS.BAT: rename moxcptsk.com command.com [roelandjansen#95]

As was pointed out, this is how command.com should be built.
Also update dosemu revision check, as --Fdrive_c appears recent.

SOURCES/src/MAKEMOS.BAT

@@ -24,6 +24,7 @@ REM =======================
 
 rem cd mos5src
 make -f makeutil.mak all
+ren moxcptsk.com command.com
 rem make -f maketerm.mak all
 ren __*.* $$*.*
 ren _*.sys $*.sys

run.sh

@@ -1,19 +1,13 @@
 #!/bin/sh -eu
 
 REV="$(dosemu --version | grep Revision | cut -d " " -f 2)"
-if [ -z "$REV" ] || [ "$REV" -lt 3684 ]; then
-    echo "At least dosemu2 revision 3684 is required (see dosemu --version)."
+if [ -z "$REV" ] || [ "$REV" -lt 4901 ]; then
+    echo "At least dosemu2 revision 4901 is required (see dosemu --version)."
     exit 1
 fi
 
 BOOTDIR="SOURCES/src/latest"
 
 [ -f "$BOOTDIR"/'$$mos.sys' ] || (echo "Run ./build.sh first!" && exit 1)
 
-if [ ! -f "$BOOTDIR"/COMMAND.COM ]; then
-    unzip SHIPMOS/SHIPMOS.ZIP COMMAND.COM -d "$BOOTDIR" || \
-            (echo "Unable to extract command.com, unzip not installed?" && \
-            exit 1)
-fi
-
 dosemu --Fdrive_c "$BOOTDIR"