modify makefile
change gcc to gcc34
not done.
finish: lab1 part1
finished lab 1 part 1 & part 2
Merge branch 'lab1' of https://github.com/kanwangkerry/yfs into lab1
Merge branch 'lab1' of https://github.com/kanwangkerry/yfs into lab2
modify makefile
Merge branch 'lab1' into lab2
Merge branch 'lab2' of https://github.com/kanwangkerry/yfs into lab2
hw 2 part 1 create look up
finished part 1
finishe hw2
Merge branch 'lab2' into lab3
lab 3 done
small modify
bug fix
Merge branch 'lab3' into lab4
lab 4 done