Chapter 10

1. It is an extension of the Linux operating system kernel that can be added or removed at runtime.
2. The C programming language, with GCC extensions.
3. It is a memory-only log area to which every kernel module can write. When a kernel module writes to it, a bracket-enclosed timestamp is added at the beginning of every line; this is the number of seconds and microseconds since the start of the kernel.

4. ModInfo prints some information about a Linux module file; LsMod prints the list of all the currently loaded modules; InsMod loads a Linux module from the specified file and adds it to the running kernel; and RmMod unloads the specified module from the running Linux kernel.
5. Because the #![no_std] directive prevents the use of the standard heap allocator and of all the standard types that use it. This directive is required as any kernel module needs a custom allocator.
6. It is a directive to the linker to keep the exact name of the following function so that the kernel can find that...