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Manages system configuration -- Like Red Hat Enterprise Linux, SUSE stores much of the information it uses to configure services at boot time in files in the /etc/sysconfigdirectory. The information in those files is in the form VARIABLE ="VALUE".
Under the YaST System icon, you can select the sysconfig Editor, which lets you select each file and then view and possibly change each variable so that you don't have to guess what variables are available for each configuration. For more advanced system administrators, this is a great way to fine-tune the startup services for your system.
SUSE also includes a System Configuration Profile Management (SCPM) applet, which lets you store and manage a collection of system settings so it can be used again later. Configures network devices - YaST detects your dial-up modem, Ethernet card, DSL modem, or ISDN hardware, and gives you the opportunity to configure each piece of hardware. SUSE also does a much better job than most distributions at getting Winmodems working in Linux, which is particularly useful for using dial-up features on laptops that have cheap, built-in modems.
Defines network services - With a connection to your LAN or WAN, YaST provides some helpful graphical tools for configuring some services that can be unintuitive to configure from the command line.
Changes security settings - Security settings in Linux are often among the most unintuitive features to configure, while at the same time being among the most important. Although features such as iptables work great for most Linux gurus for setting up a firewall, people who are accustomed to graphical interfaces may find them challenging.
From the YaST Security and Users selection, the Firewall icon enables you to step through your network interfaces and add access to those services you want by name (such as Web Server, Mail Server, and Other Services) or by port number. It even enables you to do initial setup of more complex firewall features, such as packet forwarding, IP Masquerading, and logging.
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