Shell

A login shell on the router, as your console account: your own POSIX account of the directory, or a local account root chose.

Opening asks for your password and code again, unless you used a shell within the router's web.shell_auth_timeout minutes. Open with a passkey takes one of your passkeys instead, unlocked with your device's PIN or biometrics; it shows when you have a passkey (see Account).
Closing: the router ends the shell after web.shell_idle_minutes without a keystroke; the page shows the reason and keeps the terminal readable.

Editor

vre FILE... (or vpn-router-editor FILE...) in the shell opens the files in the editor of this page and returns at once:

vre /etc/hosts ~/notes.txt

Tabs: each file has a tab with its name, and its path as the tooltip. A dot marks unsaved changes, and the cross closes the tab, asking first when there are unsaved changes.
Editor icon (left of the shell icon): shown while a file is open. It switches between the terminal and the editor; the shell keeps running.
Minimap button (left of Save): shows or hides the minimap at the right edge of the editor. This browser remembers the choice.
Save (or Ctrl+S): writes the file on the router, as your console account. When the file changed on the router after it was read, Reload takes the router's version and Overwrite writes yours.
Limits: text files of up to 1 MiB, at most 20 at a time. A file that does not exist is created when saved. A file your console account may not write cannot be saved; edit it in the terminal.
When files close: when the shell ends, every file closes and the icon goes away. vre works only in this shell.

Membership of admins, enrolment for one-time passwords (see Account), also when you open the shell with a passkey, as the router's login session and sudo need it, and console login, which root switches on the router:
```
vpn-router-user console <name> --posix
```
The router offers the shell only while its web.shell is true:
```
vpn-config-edit set web.shell true
```