Import of the executables & files on the original s2 tape from Dennis Ritchie.

fs/root/etc/passwd

@@ -0,0 +1,13 @@
+root::0:/:
+eroot::0:/:/bin/ed
+sys::1:/usr/sys:
+bin::3:/bin:
+adm::3:/usr/adm:
+s1::3:/usr/s1:
+s2::3:/usr/s2:
+jack::10:/usr/jack:
+peter::11:/usr/peter:
+jay::12:/usr/jay:
+bob::13:/usr/bob:
+sun::14:/usr/sun:
+lee::15:/usr/lee:

fs/root/etc/uids

@@ -0,0 +1,10 @@
+root:0
+sys:1
+bin:3
+adm:3
+jack:10
+peter:11
+jay:12
+bob:13
+sun:14
+lee:15

fs/usr/jack/x.f

@@ -0,0 +1,5 @@
+     a = 2.3
+     i = 10
+     print 100, a, i
+100  format(2hhi, f10.2, i5)
+     end

fs/usr/ken/maki.s

@@ -0,0 +1,54 @@
+/ maki -- make initialization dec tape
+
+ sys open; std0; 0
+ bes error
+ mov r0,r1
+ sys read; buf; 512.
+ mov r1,r0
+ sys close
+ sys open; tap0; 1
+ bes error
+ mov r0,r1
+ sys write; buf; 512.
+ bes error
+ sys open; rf; 0
+ bes error
+ mov r0,r2
+ jsr pc,copy
+ mov r1,r0
+ sys close
+ sys open; tap1; 1
+ bes error
+ mov r0,r1
+ jsr pc,copy
+ sys exit
+
+copy:
+ mov $512.,-(sp)
+1:
+ mov r2,r0
+ sys read; buf; 512.
+ bes error
+ mov r1,r0
+ sys write; buf; 512.
+ bes error
+ dec (sp)
+ bne 1b
+ tst (sp)+
+ rts pc
+
+error:
+ mov $1,r0
+ sys write; mes; emes-mes
+ sys exit
+
+mes:
+<error in copy\n>
+emes:
+tap0: </dev/tap0\0>
+tap1: </dev/tap1\0>
+rf: </dev/rf0\0>
+std0: </etc/std0\0>
+.even
+
+buf:	.=.+512.

fs/usr/sys/maki.s

@@ -0,0 +1,162 @@
+/ maki -- make initialization dec tape
+
+	sys	open; tape; 1
+	bes	error
+	mov	r0,fo
+	sys	write; vcboot; 512.
+	bes	error
+	sys	open; disk; 0
+	bes	error
+	mov	r0,r1
+	sys	seek; 1700; 0
+	bes	error
+	mov	$64.,r2
+1:
+	mov	r1,r0
+	sys	read; buf; 512.
+	jsr	pc,tout
+	dec	r2
+	bne	1b
+	mov	r1,r0
+	sys	close
+	mov	$files,r5
+1:
+	tstb	(r5)
+	beq	1f
+	mov	r5,0f
+	sys	stat; 0:..; buf
+	bes	error
+	mov	$buf,r3
+	mov	buf+6,(r3)+	/ size
+	movb	buf+2,(r3)+	/ mode
+	movb	buf+5,(r3)+	/ uid
+2:
+	movb	(r5)+,(r3)+
+	bne	2b
+2:
+	clrb	(r3)+
+	cmp	r3,$buf+512.
+	blo	2b
+	jsr	pc,tout
+	sys	open; buf+4; 0
+	bes	error
+	mov	r0,fi
+2:
+	mov	fi,r0
+	sys	read; buf; 512.
+	tst	r0
+	beq	2f
+	jsr	pc,tout
+	br	2b
+2:
+	mov	fi,r0
+	sys	close
+	br	1b
+1:
+	clr	buf
+	jsr	pc,tout
+	sys	exit
+
+tout:
+	mov	fo,r0
+	sys	write; buf; 512.
+	bes	error
+	rts	pc
+
+error:
+	mov	$1,r0
+	sys	write; 1f; 4
+	4
+	sys	exit
+1:
+	<?\n>
+
+vcboot:
+	mov	$20000,sp
+	jsr	r5,dtio; 1; 20000; -20000; 5
+	jsr	r5,drio; 3; 140000; 20000; -20000; 3
+	jsr	r5,dtio; 33.; 20000; -20000; 5
+	jsr	r5,drio; 3; 160000; 20000; -20000; 3
+	jsr	r5,drio; 3; 140000; 54000; -2000; 5
+	jmp	*$54000
+
+tcdt = 177350
+tccm = 177342
+dtio:
+	mov	$tcdt,r0
+	mov	$tccm,r1
+	mov	$3,(r1)	/ rn-f
+1:
+	tstb	(r1)
+	bge	1b
+	tst	(r1)
+	blt	0f
+	cmp	(r5),(r0)
+	beq	2f
+	bgt	dtio
+0:
+	mov	$4003,(r1)	/ rn-b
+1:
+	tstb	(r1)
+	bge	1b
+	tst	(r1)
+	blt	dtio
+	mov	(r0),r2
+	add	$5,r2
+	cmp	(r5),r2
+	bgt	dtio
+	br	0b
+2:
+	tst	(r5)+
+	mov	(r5)+,-(r0)
+	mov	(r5)+,-(r0)
+	mov	(r5)+,-(r0)
+1:
+	tstb	(r0)
+	bge	1b
+	tst	(r0)
+	bge	1f
+	sub	$8.,r5
+	br	dtio
+1:
+	mov	$1,(r0)		/ sat
+	rts	r5
+
+dae = 177470
+drio:
+	mov	$dae+2,r0
+	mov	(r5)+,-(r0)
+	mov	(r5)+,-(r0)
+	mov	(r5)+,-(r0)
+	mov	(r5)+,-(r0)
+	mov	(r5)+,-(r0)
+1:
+	tstb	(r0)
+	bge	1b
+	tst	(r0)
+	bge	1f
+	sub	$10.,r5
+	br	drio
+1:
+	rts	r5
+
+tape:
+	</dev/tap7\0>
+disk:
+	</dev/rf0\0>
+
+files:
+	</etc/init\0>
+	</etc/getty\0>
+	</bin/chmod\0>
+	</bin/date\0>
+	</bin/login\0>
+	</bin/mkdir\0>
+	</bin/sh\0>
+	</bin/tap\0>
+	</bin/ls\0>
+	<\0>
+	.even
+fi:	.=.+2
+fo:	.=.+2
+buf:	.=.+512.

fs/usr/x

@@ -0,0 +1,5 @@
+tap x\
+./fort/fc1\
+./fort/fc2\
+./fort/fc3\
+./fort/fc4