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 ...

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 ...

An exit code other than 0 indicates that a script or a command has failed in some way. Learn more about exit codes and the types of errors they represent in this post. Whenever you run a command in a ...

An open letter to the Linux community published this week by Silicon Graphics indicates that SGI has conducted a comprehensive comparison of the Linux kernel and the Unix System V source code owned by ...

The overall volume of kernel CVEs continues to climb: one security commentary noted the first 16 days of 2025 already saw 134 ...