Linux timed execution shell

First step: Install crontab, command yum-y install Vixie-cron
Extension: Service Crond start//Startup services
Service Crond stop//Shutdown services
Service Crond restart//Restart services
Service Crond Reload//Reload Configuration
Service Crond Status//View crontab
Step two: Write the shell file
Point: 1, file suffix arbitrary it's just a file that holds the command.
2, the first line of the file must be #!bin/bash this line of command declaration this is the Shel L file
Step three: Add to the timed execution sequence
1. Command line input crontab-e edit execution sequence
2. Content such as * * * * bash/home/worldbackup.sh

Linux timed execution shell