YaST
YaST logo, an Aardvark
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| Original author(s) | SuSE |
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| Developer(s) | SUSE |
| Initial release | May 1996 |
| Stable release |
3.0.11 / November 19, 2013
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| Written in | Ruby |
| Operating system | Linux |
| Type | Operating system setup and configuration tool |
| License | GNU General Public License |
| Website | yast |
YaST (Yet another Setup Tool) is a Linux operating system setup and configuration tool.
YaST is featured in the openSUSE Linux distribution, as well as SUSE's derived commercial distributions. It is also part of the defunct United Linux.
YaST features tools that can configure many aspects of the system.
The first SuSE distribution that included YaST was released in May 1996. YaST was re-written in 1999 and included first in SuSE Linux 6.3 as an installer-only. YaST2 was added to the desktop in SuSE Linux 6.4 and co-existed with YaST1 until YaST1's removal in SuSE Linux 8.0.
YaST is free software that SUSE has made available under the GPL in 2004. It is a tool for administering and maintaining a SUSE Linux installation. It allows administrators to install software, configure hardware, set up networks and servers, and more.
A feature of YaST is that it contains both Graphical user interface (GUI) and Text-based user interface (TUI) (with ncurses) front ends. This is especially useful for non-GUI installations such as servers, for system administration over slow Internet connections, and for when one is unable to boot into a graphical X server but still requires an advanced user interface to the package manager (for example, a novice user trying to downgrade an Xorg package to fix a graphical installation).
openSUSE 10.3 features a re-designed YaST for GNOME users and openSUSE 11.2 features a re-designed YaST Control Center for KDE. In openSUSE 12.1's KDE version, a YaST specific theme was added that includes a grey background and green buttons.
YaST offers package management functionality through the ZYpp project. The first ZYpp enabled package management YaST applications had performance problems and long start up times, but was improved in the 10.2 and 10.3 releases. Starting with openSUSE 11.0 alpha 3, ZYpp was integrated with the SAT solver project, making YaST and Zypper faster than other rpm based package managers.
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