static function showOperatingSystem(Computer $comp)
{
global $DB;
$ID = $comp->fields['id'];
$colspan = 4;
echo "<div class='center'>";
$comp->initForm($ID);
$comp->showFormHeader(['formtitle' => false]);
echo "<tr class='headerRow'><th colspan='" . $colspan . "'>";
echo __('Operating system');
echo "</th></tr>";
echo "<tr class='tab_bg_1'>";
echo "<td>" . __('Name') . "</td>";
echo "<td>";
OperatingSystem::dropdown(array('value' => $comp->fields["operatingsystems_id"]));
echo "</td>";
echo "<td>" . __('Version') . "</td>";
echo "<td >";
OperatingSystemVersion::dropdown(array('value' => $comp->fields["operatingsystemversions_id"]));
echo "</td>";
echo "</tr>";
echo "<tr class='tab_bg_1'>";
echo "<td>" . __('Architecture') . "</td>";
echo "<td >";
OperatingSystemArchitecture::dropdown(array('value' => $comp->fields["operatingsystemarchitectures_id"]));
echo "</td>";
echo "<td>" . __('Service pack') . "</td>";
echo "<td >";
OperatingSystemServicePack::dropdown(array('value' => $comp->fields["operatingsystemservicepacks_id"]));
echo "</td></tr>";
echo "<tr class='tab_bg_1'>";
echo "<td>" . __('Kernel version') . "</td>";
echo "<td >";
Html::autocompletionTextField($comp, 'os_kernel_version');
echo "</td>";
echo "<td>" . __('Product ID') . "</td>";
echo "<td >";
Html::autocompletionTextField($comp, 'os_licenseid');
echo "</td></tr>";
echo "<tr class='tab_bg_1'>";
echo "<td>" . __('Serial number') . "</td>";
echo "<td >";
Html::autocompletionTextField($comp, 'os_license_number');
echo "</td><td colspan='2'></td></tr>";
$comp->showFormButtons(array('candel' => false, 'formfooter' => false));
}