# Command-Line Options

This section describes additional parameters that you can use when you start Eduction Server from the command-line.

NOTE: Options are case sensitive.

Usage: `eductionserver [options`]

Options | Description
--- | ---
`-version` | Displays the program version. This option must be the only argument. The program ends after the version information is displayed.
`directory` | Sets the working directory. The Eduction ACI server starts from this directory. All other arguments used in the command line are relative to this directory.
`-configfile file` | Sets the configuration file name. This option overrides the default configuration file name of `eductionserver.cfg`.
`-revokelicense` | Revokes a lock on the Eduction license from the License Server.
`-install` | Installs Eduction as a service (Windows only). Syntax:
    -install [-start auto|manual|disabled] [-username username] [-password password]
The `-start` option allows you to specify the startup mode. By default, it is automatic. If you do not supply a user name and password, Eduction runs under a local account.
`-uninstall` | Uninstalls the Eduction service.

NOTE: On Linux, the ACI server requires the C++ library, `libstdc++.so`. To ensure the server can locate the required library, set the Library Path:

`setenv LD_LIBRARY_PATH bin:$LD_LIBRARY_PATH`

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