After two and a half decades of working with Unix, I’ve seen a lot of change in my favorite OS and, at the same time, retained a number of favorite commands that continue to keep my job as a Unix ...

mt positions the tape (winds forward and rewinds). On AIX, this command is tctl. dd converts, reblocks, translates, and copies files. cat concatenates, copies, and prints files. tar saves and restores ...

Some CSIL Unix users experience either very slow response time from their system or applications that simply stop responding to user input. Slow response time from the system can be an indication of ...

Clearly one of the best features of disk arrays is that they can continue working even when a disk has failed. One of the problems, however, is that you might not notice when a disk fails, and thus, ...

The Mac Terminal app is your window into macOS's UNIX underpinnings. Here's how to customize the appearance of Terminal in macOS. The UNIX operating system standard goes back decades. To 1970 in fact, ...