# Using 'su' for user switching
su - username
# Using 'setuid' to run specific programs with elevated privileges
chmod u+s /path/to/program
# Using 'polkit' for authorization control
# Create a polkit rule to allow specific users to run certain commands
```
// Example of a polkit rule
polkit.addRule(function(action, subject) {
if (action.id == "org.freedesktop.someaction" && subject.isInGroup("admin")) {
return polkit.Result.YES;
}
});
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