Solaris 8のlog rotateは

bash-2.03# ls -l /usr/lib/newsyslog
-r-xr-xr-x 1 root sys 773 Jan 6 2000 /usr/lib/newsyslog
bash-2.03# crontab -l
#ident "@(#)root 1.19 98/07/06 SMI" /* SVr4.0 1.1.3.1 */
#
# The root crontab should be used to perform accounting data collection.
#
# The rtc command is run to adjust the real time clock if and when
# daylight savings time changes.
#
10 3 * * 0,4 /etc/cron.d/logchecker
10 3 * * 0 /usr/lib/newsyslog
15 3 * * 0 /usr/lib/fs/nfs/nfsfind
1 2 * * * [ -x /usr/sbin/rtc ] && /usr/sbin/rtc -c > /dev/null 2>&1
30 3 * * * [ -x /usr/lib/gss/gsscred_clean ] && /usr/lib/gss/gsscred_clean
bash-2.03#

日曜日の、3時10分に/usr/lib/newsyslogは動作する。

bash-2.03# man newsyslog
No manual entry for newsyslog.
bash-2.03# uname -a
SunOS Ultra60 5.8 Generic_108528-11 sun4u sparc SUNW,Ultra-60
bash-2.03#
bash-2.03# cat /usr/lib/newsyslog
#! /bin/sh
#
# Copyright(c) 1997, by Sun Microsystems, Inc.
# All rights reserved.
#
#ident @Z%newsyslog 1.3 97/03/31 SMI
#
LOG=messages
cd /var/adm
test -f $LOG.2 && mv $LOG.2 $LOG.3
test -f $LOG.1 && mv $LOG.1 $LOG.2
test -f $LOG.0 && mv $LOG.0 $LOG.1
mv $LOG $LOG.0
cp /dev/null $LOG
chmod 644 $LOG
#
LOGDIR=/var/log
LOG=syslog
if test -d $LOGDIR
then
cd $LOGDIR
if test -s $LOG
then
test -f $LOG.6 && mv $LOG.6 $LOG.7
test -f $LOG.5 && mv $LOG.5 $LOG.6
test -f $LOG.4 && mv $LOG.4 $LOG.5
test -f $LOG.3 && mv $LOG.3 $LOG.4
test -f $LOG.2 && mv $LOG.2 $LOG.3
test -f $LOG.1 && mv $LOG.1 $LOG.2
test -f $LOG.0 && mv $LOG.0 $LOG.1
mv $LOG $LOG.0
cp /dev/null $LOG
chmod 644 $LOG
sleep 40
fi
fi
#
kill -HUP `cat /etc/syslog.pid`
bash-2.03#