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start shell



Release Information

Command introduced before Junos OS Release 7.4.

Command introduced in Junos OS Release 9.0 for EX Series switches.

Command introduced in Junos OS Release 11.1 for the QFX Series.

Command introduced in Junos OS Release 14.1X53-D20 for the OCX Series.


Exit from the CLI environment and create a UNIX-level shell. To return to the CLI, type exit from the shell.

  • To issue this command, the user must have the required login access privileges configured by including the permissions statement at the [edit system login class class-name] hierarchy level.

  • UNIX wheel group membership or permissions are no longer required to issue this command.


cshCreate a UNIX C shell.
shCreate a UNIX Bourne shell.
user username(Optional) Start the shell as another user.

Additional Information

When you are in the shell, the shell prompt has the following format:

An example of the prompt is:

Required Privilege Level

shell or maintenance

List of Sample Output

start shell csh

Output Fields

When you enter this command, you are provided feedback on the status of your request.

Sample Output

start shell csh

user@host> start shell csh
username@hostname% start shell sh