In operating system design, file descriptors are resources that users may either read bytes from or write bytes to. These may include actual files.
By convention:
0
: standard input (read)1
: standard output (write)2
: standard error (write)
In operating system design, file descriptors are resources that users may either read bytes from or write bytes to. These may include actual files.
By convention:
0
: standard input (read)1
: standard output (write)2
: standard error (write)