"We build operating systems"

Senior in College who runs an OS-related startup calls in asking for C++ questions, we barely get through the basics.

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00:00 OS startup
01:20 heap vs stack
02:10 stack is 4 bytes
03:03 getcracked.io
03:42 how do I get the variable address?
4:30 what hardware / software caches the address translation
05:45 what is a page table?
07:11 address spaces
08:30 what’s a kernel
9:20 why put a thread to sleep
10:20 what’s the problem with multithreading?
12:15 how to protect against shared data access
14:00 spit lock
15:45 what does a spin lock do?
17:30 what is one disadvantage of a spin lock?
18:20 what is one advantage of a spin lock?
19:55 what happens when thread goes out of scope without being joined in c++?
20:50 glaze session
21:10 vector vs array
21:30 how big is a vector?
24:48 how big is a pointer?
25:40 how big is size_t?
25:50 what does a string end with?
27:40 caller accuses himself of reading chat
28:25 what jobs will you apply for?
28:55 caller wants harsh rating