The `lttng` program is the _de facto_ standard user interface to
control LTTng tracing sessions. `lttng` uses `liblttng-ctl` to
communicate with session daemons behind the scenes.
The `lttng` program is the _de facto_ standard user interface to
control LTTng tracing sessions. `lttng` uses `liblttng-ctl` to
communicate with session daemons behind the scenes.
well as its command line help (<code>lttng <em>cmd</em> --help</code>,
where <code><em>cmd</em></code> is the command name).
well as its command line help (<code>lttng <em>cmd</em> --help</code>,
where <code><em>cmd</em></code> is the command name).