Line numbers indicate the order in which the program lines are stored in the memory.
- A line number must contain at least one character but no more than 225 characters.
- The range of line number may be 0 to 65,529 (depending on your system)
- Line numbers can be used as references when branching and editing.
- There may be more than one statement on a line, such statements must be separated by a colon (:).
- A line can be added, modified or deleted in the program.
- The order of execution of the program takes place in an ascending (low to high) order of line numbers.
- Each of the lines in a program should be preceded by a line number.
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