green = correct

red = wrong

Initial state
inode bitmap  10000000
inodes        [d a:0 r:2] [] [] [] [] [] [] [] 
data bitmap   10000000
data          [(.,0) (..,0)] [] [] [] [] [] [] [] 


1. operation   
mkdir
arg1   
/e

inode bitmap  11000000
inodes        [d a:0 r:3] [d a:1 r:2] [] [] [] [] [] [] 
data bitmap   11000000
data          [(.,0) (..,0) (e,1)] [(.,1) (..,0)] [] [] [] [] [] [] 


2. operation   
creat
arg1   
/e/j

inode bitmap  11100000
inodes        [d a:0 r:3] [d a:1 r:2] [f a:-1 r:1] [] [] [] [] [] 
data bitmap   11000000
data          [(.,0) (..,0) (e,1)] [(.,1) (..,0) (j,2)] [] [] [] [] [] [] 


3. operation   
mkdir
arg1   
/m

inode bitmap  11110000
inodes        [d a:0 r:4] [d a:1 r:2] [f a:-1 r:1] [d a:2 r:2] [] [] [] [] 
data bitmap   11100000
data          [(.,0) (..,0) (e,1) (m,3)] [(.,1) (..,0) (j,2)] [(.,3) (..,0)] [] [] [] [] [] 


4. operation   
creat
arg1   
/e/v

inode bitmap  11111000
inodes        [d a:0 r:4] [d a:1 r:2] [f a:-1 r:1] [d a:2 r:2] [f a:-1 r:1] [] [] [] 
data bitmap   11100000
data          [(.,0) (..,0) (e,1) (m,3)] [(.,1) (..,0) (j,2) (v,4)] [(.,3) (..,0)] [] [] [] [] [] 


5. operation   
open
arg1   
/e/v

inode bitmap  11111000
inodes        [d a:0 r:4] [d a:1 r:2] [f a:-1 r:1] [d a:2 r:2] [f a:3 r:1] [] [] [] 
data bitmap   11110000
data          [(.,0) (..,0) (e,1) (m,3)] [(.,1) (..,0) (j,2) (v,4)] [(.,3) (..,0)] [c] [] [] [] [] 


6. operation   
link
arg1   
/e/v
arg2   
/v

inode bitmap  11111000
inodes        [d a:0 r:4] [d a:1 r:2] [f a:-1 r:1] [d a:2 r:2] [f a:3 r:2] [] [] [] 
data bitmap   11110000
data          [(.,0) (..,0) (e,1) (m,3) (v,4)] [(.,1) (..,0) (j,2) (v,4)] [(.,3) (..,0)] [c] [] [] [] []