SeeHearFeel


Process Trace

Sep 15, 2023

Ptrace is primarily used to trace and debug,
it allows one process to observe and control
the execution of another process.


Two Roads

Sep 01, 2023

There are two roads,
which one do I choose?
what if I choose wrong?


Interrupts

Aug 15, 2023

When you press a key on the keyboard,
the CPU is interrupted so that the PC
can read user input from the keyboard.



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