At some point in the past, Unix — the progenitor of Linux — treated virtually everything as a file, and all files were created more or less equal. Programs didn’t care if a file was local, on the ...

In the old days, if you wanted to snoop on a piece of serial gear, you probably had a serial monitor or, perhaps, an attachment for your scope or logic analyzer. Today, you can get cheap logic ...

I'm writing a program in C to write/select/read on a serial port in Linux. I have the serial port code all set up, but the problem is that I need this operation to be very fast (time is the issue here ...

I have Redhat 7.3 installed, and i want to pump the display out the serial port. How can i do this? I am using grub. I can use lilo if need be. I know its pretty simple i have done it long ago with ...

Managing large numbers of Linux and UNIX systems takes a lot of organization, automation and careful use of technology. A significant chunk of one's time as a system administrator is spent building ...

In Part I of this article, I briefly mentioned the generic USB driver in the context of getting a USB device to communicate through it easily, with no custom kernel programming. Unfortunately, I ...

If you've been using computers for more than a couple of decades, you've probably used a serial port to attach peripherals like your mouse and modem. Until the USB standard rendered them obsolete in ...