Self intro Project explanation any 1 C -> Tokens Pointers Types of pointers Memory allocation String Storage classes Recursion Volatile keyword Preprocessing stages Extension of assembly stage Purpose of preprocessing Diff b/w macro and function Conversion of infix to prefix expression. Atoi intuition Programs -> Example for recursion Most repeated word in string Data structure -> Linked list Difference between array and linked list SLL implementation Linux-> What is Linux Diff b/w Unix and Linux System call OS What is booting Booting stages What is init PID of init Common folders in root directory Linux commands-> grep awk