start-crontab

linux下查看系统工具原码,如IOSTAT等

Answer y if you want to automate sar reporting. In this case, a crontab will
be created to periodically start the data collector. System activity daily
data files will then be created in the /var/log/sa directory.
The crontab template file is located in sysstat directory and is called
crontab.sample.
If unsure, say n here.