Opening Files in C and C++

• fd = open(filename, flags [, pmode]);

  • fd = file descriptor
  • filename = physical file name
  • flags = O_APPEND, O_CREAT, O_EXCL, O_RDONLY, O_RDWR, O_TRUNC, O_WRONLY.
  • pmode = rwe rwe rwe
    111 101 001
    owner group world

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