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 ...

Closing File Descriptors In last week’s column, we looked at using file descriptors to read and write files. After associating a file descriptor with a file, you might want to close the file ...

File descriptors below 3 are used for standard input, output, and error, the ones above 9 may be used by the shell internally. Although there is no explicit syntax for closing a file, re-using the ...

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.