Modern network connectivity is light years ahead of what it once was. Even though it's much more reliable than it was in the 1990s, issues still come up -- which is why I'm glad that Linux includes a ...

Click for a PDF with this and four other essential Linux articles. And, if you’ve ever heard anyone say that for Unix, everything is a file, you might not be too surprised to learn that lsof works ...

3 Windows OS Loader %SystemRoot%\system32\winload.exe %SystemRoot%\system32\winload.efi 4 Windows NT OS Kernel %SystemRoot%\system32\ntoskrnl.exe When you hit the ...

Excerpt from CCNP TSHOOT 642-832. Cisco IOS Diagnostic Tools: This section shows how a few readily accessible Cisco IOS Software commands can be used to quickly gather information as part of a ...

The command line is often the best place to resolve Windows 7 desktop problems. These basic commands will help speed your troubleshooting tasks. Holiday rerun: An oldie-but-a-goodie, these ...

Diagnosing an Internet connection in Windows can be a frustrating experience. To help with this, we have outlined six Windows 10 commands that you can use to troubleshoot your Internet connection and ...

Have you ever actually seen the "sfc / scannow" command actually fix a problem with Windows? This fix has been floating around technical internet forums for years now, BUT I've NEVER seen it once fix ...

Don't install QuickTime 6.4 if you need QuickTime Java support under OS X 10.2 According to an Apple Knowledge Base article, QuickTime 6.4 does not include QuickTime Java support; installing it on OS ...

It's totally possible to use Windows 11 every day and never touch the command line, but there are moments where it's easier to use than the GUI. I'm talking about all the extra clicks, options buried ...