My OS lab

Lab Introduction

• Lab1: Configuring Linux environment.

• Lab2: Add linux system call. Complete a shell and a top program.

• Lab3: Malloc lab. Complete a memory allocator (sbrk) and process memory information statistic program.

• Lab4: Complete a FAT16 file system.

Additional Scores

• Lab2: Mutipipe and redirector (1).

• Lab3: change sbrk() to mmmap() and complete the memory allocator (1).

• Lab4: three-back-up (1) and Log (1).

I finished the mutipipe and redirector in lab2 and three-back-up in lab4.