Process file descriptors (pidfd) provide a race-free way to manage processes on Linux, maintaining a persistent reference to a process using a file descriptor rather than a numeric process ID (PID) ...

One difference between these shells with respect to user-defined file descriptors, however, is that the Korn shell (on Solaris anyway) only allows us to assign file descriptors 0 through 9 while ...

0, 1, and 2 are used as file descriptors for stdin, stdout, and stderr files respectively. Input Redirection The ‘ <’ sign is used for the input or stdin redirection. For example, Linux’s mail program ...

I'm assigned to write a threaded chat program as our final assignment in unix systems programming, yay!I have everything written but after two or three people join up i'm getting an error: bad ...

What does file handle actually mean? Find out inside PCMag's comprehensive tech and computer-related encyclopedia.

Sandra Henry-Stocker was a programmer, Linux systems administrator, security engineer and Linux journalist for most of her 30-year career. She describes herself as "USL" (Unix as a second language ...