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I've got a Sun Ultra 5, a Sun Blade 150 and a Sun Ultra 2. The Ultra 5 and the Blade 150 are running Solaris 10. The Ultra 2 is running Solaris 9. I'd like to configure as many of them as possible to run the KDE desktop. I've noticed that, on the systems running Solaris 10, there's a directory named /opt/sfw/kde. However, KDE is not among the session options available on the login screen.
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I've got a Sun Ultra 5, a Sun Blade 150 and a Sun Ultra 2. The Ultra 5 and the Blade 150 are running Solaris 10. The Ultra 2 is running Solaris 9. I'd like to configure as many of them as possible to run the KDE desktop. I've noticed that, on the systems running Solaris 10, there's a directory named /opt/sfw/kde. However, KDE is not among the session options available on the login screen.

How can I make KDE my default desktop in Solaris 10

Unix is a multitasking, multi-user computer operating system originally developed in 1969 at Bell Labs. Today, it is a modern OS with many commercial flavors and licensees, including FreeBSD, Hewlett-Packard’s UX, IBM AIX and Apple Mac OS-X. Apart from its command-line interface, most UNIX variations support the standardized X Window System for GUIs, with the exception of the Mac OS, which uses a proprietary system.

Unix OS

Operating systems perform basic tasks, such as recognizing input from the keyboard, sending output to the display screen, keeping track of files and directories on the disk, and controlling peripheral devices such as disk drives and printers. For large systems, the operating system makes sure that different programs and users running at the same time do not interfere with each other. The operating system is also responsible for security, ensuring that unauthorized users do not access the system. Operating systems provide a software platform on top of which other programs, called application programs, can run.

Operating Systems

Linux is a UNIX-like open source operating system with hundreds of distinct distributions, including: Fedora, openSUSE, Ubuntu, Debian, Slackware, Gentoo, CentOS, and Arch Linux. Linux is generally associated with web and database servers, but has become popular in many niche industries and applications.