Juniper EX9253 Hardware Manual page 117

14. Commit the configuration to activate it on the switch.
[edit]
root@host# commit
15. Exit the configuration mode.
[edit]
root@host# exit
root@host>
NOTE: Ensure that the removable storage media that contains a copy of Junos OS is not installed
in the switch except when you want to install Junos OS from the storage media. If the storage
media is installed during normal operation and if the switch is rebooted intentionally or
accidentally (for example, as a result of a power outage), the configuration in the switch is
deleted and the copy of the software in the storage media is installed in the switch.
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