Knowing what is Red Hat Linux
With the recent split between community (Fedora) and commercial (Red Hat Enterprise Linux) versions of Red Hat Linux, Red Hat has created a model that can suit the fast-paced changes in the open source world, while still meeting the demands for a well-supported commercial Linux distribution.
What You Can Do with Red Hat Linux
You can use Red Hat Linux as a desktop workstation, a network server, an Internet gateway, a firewall, the basis of an embedded system (such as a smart VCR or a robot), or even as a multiprocessor supercomputer. And, thanks to the many, many people who continually make refinements and innovations, Red Hat Linux continues to become more flexible and capable with each release.
Background about Red Hat Linux
Several companies and organizations began gathering and packaging Linux software together into usable forms called distributions. The main goal of a Linux distribution is to make the hundreds of unrelated software packages that make up Linux work together as a cohesive whole. For the past few years, the most popular commercial distribution has been Red Hat Linux.
Installing and Running sendmail in Red Hat Linux
he full sendmail distribution consists of three RPM packages: sendmail, sendmail-cf, and sendmail-doc. Only the first package is truly necessary to send and receive mail on your machine. The second package includes configuration macros and other files that can help you reconfigure your site's sendmail installation if the defaults are insufficient. The third package contains documentation files that help to explain some of the details of the current version.
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