3. The individual DOS commands

• General Instructions
  • INIT - Prepare a floppy disk
  • DRIVE - Drive selection
  • DCOPY - Copy disk
  • STATUS - Display the diskette status
• File management functions
  • DIR - Display of the table of contents
  • SAVE - Saving a BASIC program to floppy disk
  • LOAD - Loading a BASIC program from diskette
  • RUN - Load and start a BASIC program
  • BSAVE - Saving a machine program on diskette
  • BLOAD - Loading a machine program from diskette
  • BRUN - Loading and starting a machine program
  • REN - Renaming files and programs
  • DCOPY - Copy a program
  • ERA - Delete a file or program on the floppy disk
• Storage and processing of data
  • File organization and access
  • OPEN - Open a file.
  • PR# - Writing records to a file
  • IN# - Reading records from a file
  • CLOSE - Closing a data file