Editors note: In a letter sent to numerous Linux-using companies Thursday, The SCO Group Inc. cited specific code in Linux it claims was taken from its Unix intellectual property. The charges follow ...

Each Linux command returns an exit code, with 0 indicating success and non-zero values indicating failure. You can use the $? variable to access the exit code and control program flow in scripts. Be ...

A Princeton professor, finding a little time for himself in the summer academic lull, emailed an old friend a couple months ago. Brian Kernighan said hello, asked how their friend’s US visit was going ...

SALT LAKE CITY—Last August, the nail was poised over SCO's coffin when Judge Dale Kimball ruled that Novell never relinquished the copyrights to UNIX, but nobody really knew when it would be driven ...

The letters, dated Dec. 19, claim the ABIs that allow customers to run Unix applications over Linux are owned by SCO and are being used without the company's permission. In the letter, SCO cites more ...

Open-source code has become a malware vector. For example, by the closest of shaves, an open-source developer discovered that Jia Tan, a chief programmer and maintainer of the Linux xz data ...

Matt Asay is a veteran technology columnist who has written for CNET, ReadWrite, and other tech media. Asay has also held a variety of executive roles with leading mobile and big data software ...

Some critical security vulnerabilities have been discovered in the Linux printing system CUPS. Attackers can smuggle in code, for example. Margaritelli summarizes his findings in an emotional report.