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Listing 1: Starting netconfig to show the currently installed chains.

# netconfig

Currently configured chains:
1. nfs->sco_tcp
      nfs     SCO NFS Runtime System for SCO Unix
      sco_tcp SCO TCP/IP for UNIX
2. sco_tcp->lo0
      sco_tcp SCO TCP/IP for UNIX
      lo0     SCO TCP/IP Loopback driver
3. sco_tcp->wdn0
      sco_tcp SCO TCP/IP for UNIX
      wdn0    SMC/WD 8003/8013 Series driver, board 0

Available options:
  1. Add a chain
  2. Remove a chain
  3. Reconfigure an element in a chain
  q. Quit
Select option: q
# []

Listing 2: Using netconfig during the configuration of SLIP.

# netconfig 

Currently configured chains:
  1. nfs->sco_tcp
        nfs     SCO NFS Runtime System for SCO Unix
        sco_tcp SCO TCP/IP for UNIX
  2. sco_tcp->lo0
        sco_tcp SCO TCP/IP for UNIX
        lo0     SCO TCP/IP Loopback driver
  3. sco_tcp->wdn0
        sco_tcp SCO TCP/IP for UNIX
        wdn0    SMC/WD 8003/8013 Series driver, board 0

Available options:
  1. Add a chain
  2. Remove a chain
  3. Reconfigure an element in a chain
  q. Quit
Select option: 1

Num  Name       Description
  1. nfs        SCO NFS Runtime System for SCO Unix
  2. sco_tcp    SCO TCP/IP for UNIX
Select top level of chain to Add or q to quit: 2


Add chain : sco_tcp->
Num  Name       Description
  1. e3A0       3Com 501 ethernet driver, board 0
  2. e3B0       3Com 503 ethernet driver, board 0
  3. e3D0       3Com 507 ethernet driver, board 0
  4. exos0      Excelan 205 Ethernet driver, board 0
  5. hpe0       HP EISA-32 Slave LAN Adapter 0
  6. hpi0       HP ISA(AT) LAN Adapter 0
  7. i3B0       Racal InterLan LLI ES-3210 STREAMS Driver, board 0
  8. i6E0       Racal InterLan LLI NI-6510 STREAMS Driver, board 0
  9. lo0        SCO TCP/IP Loopback driver
 10. ppp0       PPP Interface 0
 11. ppp1       PPP Interface 1
 12. sl0        SLIP Interface 0
 13. tok0       IBM Token Ring Network Adapter driver, board 0
 14. wdn0       Western Digital 8003/8013 Series driver, board 0
 15. wdn1       Western Digital 8003/8013 Series driver, board 1
Select next level of chain to Add or q to quit: 10

Add chain sco_tcp->ppp0 (y/n): y

Adding: sco_tcp->ppp0

Configuring PPP Interface ppp0

Installing the ppp driver into the link kit ... done.
    ... (and so on)

Listing 3: Move NFS start-up from run level 2 to level 3 and create a new STREAMS configuration file.

# mv /etc/rc2.d/S89nfs /etc/rc3.d
# cp /etc/strcf /etc/strcf.nonet
# chown root /etc/strcf.nonet
# chgrp root /etc/strcf.nonet
# chmod 644 /etc/strcf.nonet
# []

Listing 4: Move the standard TCP/IP start-up to level 3.

# mv /etc/rc2.d/S85tcp /etc/rc3.d/S85tcp
# ln /etc/rc3.d/S85tcp /etc/rc3.d/K85tcp
#[]

Listing 5: Comment out three lines in /etc/tcp to remove the check for run level ``S''.

start)
    set `who -r`
#   if [ $9 != "S" ]; then
#       exit 0
#   fi
/bin/su root -c "$PS -e" 2 >/dev/null |\
    /usr/bin/fgrep slink > /dev/null 2>&1

Listing 6: Create a new set of rc2 start-up files.

# cp /etc/rc3.d/S85tcp /etc/rc2.d/S85tcp
# ln /etc/rc2.d/S85tcp /etc/rc2.d/K85tcp
# ln /etc/rc3.d/S89nfs /etc/rc2.d/K79nfs
# chown root /etc/rc2.d/S85tcp
# chgrp sys /etc/rc2.d/S85tcp
# chmod 744 /etc/rc2.d/S85tcp
# []

Listing 7: Changes to S86tcp to use /etc/strcf.nonet

#
# STREAMS & socket initialization
#
cpd ; echo "cpd \c"
slink -c /etc/strcf.nonet ; echo "slink \c"
    ...
ldsocket; echo "ldsocket \c"

Listing 8: Listing of S99cleanup script

:
# @(#) S99cleanup 1.1 93/11/07
# Cleanup misc logfiles before haltsys; Jan Sall, ASK AB, Sweden

echo "Cleaning up: \c"
cd /usr/lib/uucp
./uudemon.clean  > /dev/null 2>&1
echo "uucp \c"
cd /usr/adm
cp messages messages.old
cat /dev/null > messages
echo "messages \c"
cp sulog sulog.old
cat /dev/null > sulog
echo "sulog \c"
cp syslog syslog.old
cat /dev/null > syslog
echo "syslog \c"
cd /etc
cp /etc/wtmp /etc/wtmp.old
cat /dev/null > /etc/wtmp
echo "wtmp \c"
echo ""