Lion's Commentary Version of the UNIX Source Code

Initialisation Process Information

0100 0200 0300 0350 0400 0500 0600 1500 1800 2300 2500
param.h systm.h seg.h proc.h user.h low.s m40.s main.c slp.c prf.c malloc.c

Traps, Interrupts and System Calls Process Management

2600 2650 2900 3000 3400 3700 3900
reg.h trap.c sysent.c sys1.c sys4.c clock.c sig.c

Program Swapping Basic Input/Output Block Devices

4300 4350 4500 4600 4650 4700 5350
text.h text.c buf.h conf.h conf.c bio.c rk.c

File and Directories File Systems Pipes

5500 5550 5600 5650 5700 6000 6200 6400 6600 6900 7250 7500 7700
file.h filsys.h ino.h inode.h sys2.c sys3.c rdwri.c subr.c fio.c alloc.c iget.c nami.c pipe.c

Character Oriented Special Files

7900 8000 8100 8600 8800 9000
tty.h kl.c tty.c pc.c lp.c mem.c