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Entering and Exiting Configuration Mode

You configure the JUNOS software by entering configuration mode and creating a hierarchy of configuration mode statements.

To enter configuration mode, use the configure command.

When you enter configuration mode, the following configuration mode commands are available:

user@host>configure

entering configuration mode

[edit]
user@host#?

possible completions:
  <[Enter]>            Execute this command
  activate             Remove the inactive tag from a statement
  annotate             Annotate the statement with a comment
  commit               Commit current set of changes
  copy                 Copy a statement
  deactivate           Add the inactive tag to a statement
  delete               Delete a data element
  edit                 Edit a sub-element
  exit                 Exit from this level
  help                 Provide help information
  insert               Insert a new ordered data element
  load                 Load configuration from ASCII file
  quit                 Quit from this level
  rename               Rename a statement
  replace              Replace character string in configuration
  rollback             Roll back to previous committed configuration
  run                  Run an operational-mode command
  save                 Save configuration to ASCII file
  set                  Set a parameter
  show                 Show a parameter
  status               Show users currently editing configuration
  top                  Exit to top level of configuration
  up                   Exit one level of configuration
  wildcard             Wildcard operations
[edit]
user@host>

Users must have configure permission to view and use the configure command. When in configuration mode, a user can view and modify only those statements for which they have access privileges set. For more information, see the JUNOS System Basics Configuration Guide.

If you enter configuration mode and another user is also in configuration mode, a message shows the user’s name and what part of the configuration the user is viewing or editing:
```
user@host> configure 
Entering configuration mode
Users currently editing the configuration:
  root terminal d0 (pid 4137) on since 2008-04-09 23:03:07 PDT, idle 7w6d 08:22
  [edit]
The configuration has been changed but not committed

[edit]
user@host# 
```
Up to 32 users can be in configuration mode simultaneously, and they all can make changes to the configuration at the same time. For more information, see When Multiple Users Configure the Software.
To exit configuration mode, use the exit configuration-mode configuration mode command from any level, or use the exit command from the top level. For example: [edit protocols ospf area 0.0.0.0 interface so-0/0/0] user@host# exit configuration-mode exiting configuration mode user@host>[edit] user@host# exit exiting configuration mode user@host>
If you try to exit from configuration mode using the exit command and the configuration contains changes that have not been committed, you see a message and prompt:
[edit] user@host# exit The configuration has been changed but not committed Exit with uncommitted changes? [yes,no] (yes) <Enter> Exiting configuration mode user@host>
To exit with uncommitted changes without having to respond to a prompt, use the exit configuration-mode command. This command is useful when you are using scripts to perform remote configuration.[edit] user@host# exit configuration-mode The configuration has been changed but not committed Exiting configuration mode user@host>

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