# Command-Line Options

You have the option of starting your Nextcloud desktop client with the `nextcloud` command. The following options are supported:

`nextcloud -h` or `nextcloud --help`  
Displays all command options.

The other options are:

`--logwindow`  
Opens a window displaying log output.

`--logfile` \<filename\>  
Write log output to the file specified. To write to stdout, specify - as the filename.

`--logdir` \<name\>  
Writes each synchronization log output in a new file in the specified directory.

`--logexpire` \<hours\>  
Removes logs older than the value specified (in hours). This command is used with `--logdir`.

`--logflush`  
Clears (flushes) the log file after each write action.

`--logdebug`  
Also output debug-level messages in the log (equivalent to setting the env var QT_LOGGING_RULES="qt.\*=true;\*.debug=true").

`--confdir` \<dirname\>  
Uses the specified configuration directory.

`--background`  
Launch the application in the background (i.e. without opening the main dialog).