How to reboot and shut down the cisco catalyst switch 3560
To save the configuration:
6509# wr (press enter)
To reboot the switch:
6509# reload (press enter)
Proceed with reload? [confirm] (press enter)
To shut down the switch:
Turn off the switch on the Power Supply Unit of the switch.
But remember one thing, if your switch is acting as a NTP Server as well, you may want to make sure that the time settings are done once the switch is restarted as it does not keep a track of the time and it gets reset.