I wrote a version of od.

build/Makefile

@@ -141,11 +141,11 @@ $(BINDIR)/altmkdir: $(ALTSRC)/wktmkdir.s
 
 # The commands that did not come from the scans
 others: dirs $(BINDIR)/sh $(BINDIR)/wktcat $(BINDIR)/wktcp $(BINDIR)/date \
-	$(BINDIR)/ln $(BINDIR)/ls $(BINDIR)/mv $(BINDIR)/stat
+	$(BINDIR)/ln $(BINDIR)/ls $(BINDIR)/mv $(BINDIR)/stat $(BINDIR)/od
 
 # Alternative other commands: no dd, but . and ..
 altothers: dirs $(BINDIR)/sh $(BINDIR)/wktcat $(BINDIR)/wktcp $(BINDIR)/date \
-	$(BINDIR)/ln $(BINDIR)/altls $(BINDIR)/mv $(BINDIR)/stat
+	$(BINDIR)/ln $(BINDIR)/altls $(BINDIR)/mv $(BINDIR)/stat $(BINDIR)/od
 
 
 $(BINDIR)/sh: $(OTHERSRC)/pbsh.s
@@ -175,6 +175,9 @@ $(BINDIR)/mv: $(OTHERSRC)/wktmv.s
 $(BINDIR)/stat: $(OTHERSRC)/wktstat.s
 	$(AS) $(ASARGS) -o $(BINDIR)/stat $(OTHERSRC)/wktstat.s
 
+$(BINDIR)/od: $(OTHERSRC)/wktod.s
+	$(AS) $(ASARGS) -o $(BINDIR)/od $(OTHERSRC)/wktod.s
+
 tests:
 	mkdir -p $(TESTDIR)
 	$(AS) $(ASARGS) -o $(TESTDIR)/decimal_out  $(TESTSRC)/decimal_out.s	

build/proto

@@ -33,6 +33,7 @@ dd 	         drwr- -1 4
 	init     frwr- -1 bin/init
         ln       frwr- -1 bin/ln
         ls       frwr- -1 bin/ls
+        od       frwr- -1 bin/od
         mv       frwr- -1 bin/mv
 	password frw-- -1 fs/password
         sh       frwr- -1 bin/sh