1. Promotional Video

2. Introduction

3. What Is Memory?

4. The Boot Process

5. Installing What We Need For Real Mode Development

6. Hello World Bootloader

7. Understanding Real Mode?

8. Segmentation Memory Model

9. Improving Our Bootloader

10. Preparing our bootloader to be booted on real hardware

11. Writing our bootloader to a USB stick

12. Booting the bootloader

13. The Interrupt Vector Table Explained

14. Implementing our own interrupts in real mode

15. Disk Access And How It Works

16. Reading from the hard disk

17. What Is Protected Mode?

18. Switching To Protected Mode

19. Restructuring Our Project

20. Enabling the A20 line

21. Creating a Cross Compiler So We Can Code In C

22. Loading our 32 bit kernel into memory and working with debugging symbols

23. Cleaning our object files

24. Dealing With Alignment Issues

25. C Code In Protected Mode

26. Text Mode Explained

27. Writing To The Screen, Hello World Tutorial

28. Interrupt Descriptor Table Explained

29. Implementing The Interrupt Descriptor Table

30. Implementing In And Out Instructions

31. Programmable Interrupt Controller Explained

32. Programmable Interrupt Controller Implementation

33. Understanding The Heap And Memory Allocation

34. Implementing Our Heap

35. Creating The Enable Interrupts Function

36. Understanding Paging

37. Implementing Paging

38. Modifying The Page Table

39. Preparing To Read From The Hard Disk

40. Reading from the disk in C with the ATA controller

41. Improving Our Disk Driver

42. What Is A Filesystem?

43. Creating A Path Parser

44. Creating A Disk Stream

45. File Allocation Table Explained

46. Starting To Create Our FAT filesystem

47. Understanding The VFS(Virtual Filesystem System) Layer

48. Implementing Our Virtual Filesystem Core Functionality

49. Implementing FAT16 filesystem driver core functionality

50. Implementing FAT16 Structures

51. Implementing The FAT16 Resolver Function

52. Implementing the VFS fopen function

53. Implementing FAT16 fopen function

54. Implementing the VFS fread function

55. Implementing FAT16 fread functionality

56. Implementing the VFS fseek functionality

57. Implementing The FAT16 fseek functionality

58. Implementing The VFS fstat functionality

59. Implementing the FAT16 fstat functionality

60. Implementing The VFS fclose functionality

61. Implementing the FAT16 fclose functionality

62. Implementing A Kernel Panic

63. Understanding User Land

64. Changing our kernel segment and data descriptors to be written in C

65. Implementing The TSS(Task Switch Segment)

66. Implementing Task Foundations

67. Implementing Process Foundations Part 1

68. Implementing Process Foundations Part 2

69. Packing the GDT

70. Implementing User Land Functionality

71. Creating Our First User Process Application

72. Executing The Process And Dropping Into User Land Privileges

73. Changing The Paging Functionality

74. Talking With The Kernel From User Land

75. Creating the interrupt 0x80 for user process to kernel communication

76. Creating The Ability To Create And Execute Kernel Commands

77. Creating our first kernel command

78. Calling our kernel command

79. Copying strings from the tasks process

80. Reading the task's stack

81. Creating The Print Command

82. Understanding keyboard access in protected mode

83. Creating the virtual keyboard layer

84. Creating the PS2 port keyboard driver part 1

85. Improving our interrupt descriptor table design

86. Creating a cleaner way to create interrupt handlers in the interrupt descriptor

87. Changing The Current Process

88. Creating the PS2 port keyboard driver part 2

89. Getting a key from the keyboard buffer in user land

90. Creating a putchar command that writes one character to the terminal

91. Implementing backspace in the terminal

92. Revising our stream reader

93. Elf Files Explained

94. Implementing The Elf Loader - Part 1

95. Implementing The Elf Loader - Part 2

96. Implementing The Elf Loader - Part 3

97. Implementing The Elf Loader - Part 4

98. Implementing The Elf Loader - Part 5

99. Implementing The Elf Loader - Part 6

100. Writing User Programs In C

101. Implementing system print in stdlib

102. Implementing system get key in stdlib

103. Implementing Malloc In Our stdlib

104. Implementing Free In Our stdlib

105. Changing the way we map virtual pages for the process

106. Implementing itoa function

107. Implementing the putchar function

108. Implementing the printf function

109. Implementing the ability to read lines

110. Creating a shell

111. Loading other programs from our shell

112. Creating some important stdlib functions

113. Memory Mapping malloc in stdlib

114. Memory Unmapping free In stdlib

115. Process arguments - Part 1

116. Process Arguments - Part 2

117. Process Arguments - Part 3

118. Implementing A 'System' Command

119. Implementing program termination

120. Handling program crashes

121. Creating An Exit Command

122. Handling caps lock, upper case and lower case letters

123. Running multiple tasks at the same time multi-tasking

124. Changing our fat16_new_fat_item_for_directory_item function

125. Changing out fat16_open function

126. Changing our fat16_get_root_directory function

127. Changing our process_load_binary function

128. Improvements to our fat16_to_proper_string function

129. Changing our restore_general_purpose_registers function

130. Kernel Optimizations

132. Installing The Emulator

133. Hello World In Assembly

134. Transistors And Logic Gates Understanding The Processor

135. Registers In Assembly

136. Segmentation In The 8086

137. The Stack, Subroutines And Endiness Explained

138. Kernel Development Book And Compiler Development Course