alrite, so I'm trying to use the select function to tail a file to see when it has information ready to be input, but it needs to know the file descriptor of the ifstream to be able to work. I've ...

Last week's article on syslets briefly mentioned a problem with using file descriptors for low-level communications with the kernel. There is a single namespace for file descriptors, combined with a ...

In response to a growing desire for ways to control groups of processes from user space, the kernel has added a number of mechanisms that allow one process to operate on another. One piece that is ...

Have you ever wanted to read a file one line at a time in a shell script and found the task to be a lot more trouble than you ever imagined? If you use a “for line ...

Last week’s column looked at how we can read from and write to files by associated the files with user-defined file descriptors. This week, we take this idea a bit further. Closing File Descriptors In ...