Article	Figure 1	Figure 2	Figure 3	Figure 4
Figure 5	Listing 1	Listing 2	Listing 3	Listing 4	sep93.tar

Listing 4: Shell script to report login information

:
SRC_FILE=/usr/adm/logins

IFS="."
sort +1 +0 +3 -t"." $SRC_FILE | while read DIRECTION USER TTY DATE
do
echo "$DIRECTION\t$USER\t$TTY\t$DATE"
done