About
Introduction
Firmware Versions and Files
Serial Console
First Steps
Programming in BASIC - A Tutorial
Hardware Details
Using MMBasic
Full Screen Editor
Variables and Expressions
Subroutines and Functions
Video Output
Keyboard/Mouse/Gamepad
Program and Data Storage
Sound Output
Using the I/O pins
Special Device Support
Display Panels
Graphics Functions
1. Fonts
WiFi and Internet Functions
Long Strings
MMBasic Characteristics
Predefined Read Only Variables
Options
Commands
1. Adc
2. Arc
3. Array
4. Autosave
5. Backlight
6. Bitbang
7. Bit
8. Blit
9. Box
10. Byte
11. Call
12. Camera
13. Case
14. Cat
15. Chain
16. Chdir
17. Circle
18. Clear
19. Close
20. Cls
21. CMM2
22. DIM
23. Files
24. Font
25. FOR
26. GOTO
27. I2C
28. IF
29. INPUT
30. LINE INPUT
31. LINE
32. Math
33. Mode
34. 1. Mode (HDMI)
  2. Mode (VGA)
35. MOUSE
36. ON ERROR
37. ON KEY
38. ON PS2
39. OPEN
40. RUN
41. SELECT CASE
42. Servo
43. SETPIN
44. SETTICK
45. SORT
46. SPI
47. SPRITE
48. STATIC
49. SUB
50. SYNC
51. tempr
52. TEXT
53. TILE
54. TRACE
55. TRACE LIST
56. Triangle
57. Update
58. Var Save
59. WS2812
Functions
1. ABS
2. DIR$
Obsolete Commands and Functions
Appendix A – Serial Communications
Appendix B – I²C Communications
Appendix C – 1-Wire Communications
Appendix D – SPI Communications
Appendix E – Regex Syntax
Appendix F – The PIO Programming Package
Appendix G – Sprites
Appendix H – Special Keyboard Keys
Appendix J - The CMM2 3D engine
Colors Palettes
Sprite Format

PicoMite User Manual

CLOSE [#]fnbr [,[#]fnbr] …

Close the file(s) previously opened with the file number #fnbr.

The # is optional.

Also see the [OPEN] (open.md) command.