GNOME-based front-end, as seen in Ubuntu.
|Developer(s)||David Zeuthen, Red Hat|
|License||GNU Library General Public License 2|
polkit (formerly PolicyKit) is an operating system component for controlling system-wide privileges in Unix-like operating systems. It provides an organized way for non-privileged processes to communicate with privileged ones. Polkit allows a level of control of centralized system policy. It is developed and maintained by David Zeuthen from Red Hat and hosted by the freedesktop.org project.
Since version 0.105, the name of the project was changed from PolicyKit to polkit in order to emphasize that the system component was rewritten and the API was changed, breaking backward compatibility.
Fedora was the first distribution to include PolicyKit and it has since been used in various other distributions including Ubuntu since 8.04 and openSUSE since 10.3. Some of them, like Fedora, have already switched to the rewritten polkit.
It is also possible to use polkit to execute commands with elevated privileges using the command pkexec followed by the command intended to be executed with root permissions. However, it may be preferable to use sudo in this particular case, as it provides more flexibility. 
- "polkit Git COPYING". David Zeuthen. Retrieved 2012-11-15.
- "polkit Git NEWS". David Zeuthen. Retrieved 2012-11-15.
- "Chapter 9. PolicyKit". openSUSE Security Guide. Novell, Inc. and contributors. Retrieved 2012-11-15.
- "Polkit and KDE: let’s make the point of the situation". Retrieved 2012-11-15.
- "Features/PolicyKitOne". Fedora Project Wiki. Retrieved 2012-11-15.
- "pkexec". polkit Reference Manual. Retrieved 2013-05-25.
- "When to use pkexec vs. gksu/gksudo?". Retrieved 2013-05-25.
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