Definition 19.1: text file
A file consisting of characters from the ASCII character code set.
Definition 19.2: filename
The name and its extension.
Definition 19.3: filespec
The location of a file along with its filename.
Definition 19.4: open
Your program requesting the operating system to let it have access to an existing file or to open a new file.
Definition 19.5: device token
A key value provided by the operating system to associate a device to your program.
Definition 19.6: read
Moving data from a device that has been opened into a memory location defined in your program.
Definition 19.7: write
Moving data from a memory location defined in your program to a device that has been opened.
Definition 19.8: close
Your program requesting the operating system to release a file that was previously opened.