1. At the command prompt: crontab -e
2. The above command opens a file and inserts the following line in VI INSERT mode:
Path = / usr / bin: / usr / sbin: / sbin: / bin: / usr / local / bin
HOME = / root
# Run-Parts
* / 5 * * * * ntpdate tick.stdtime.gov.tw
* / 5 * * * * HWCLOCK -W
3. Save exit.
