1
RUDDCANADAY
2
THOMPSON
3
SISTEMAS
4
RITCHIE
5
MACOS
6
LINUX
7
IBSYS
8
UNIX
9
IBM
10
MFS
I
H
U
F
O
O
C
W
R
O
A
R
A
A
M
A
S
O
V
X
I
N
U
U
R
L
O
F
O
Y
K
N
O
I
W
D
T
M
S
A
S
A
S
A
E
B
P
D
O
N
S
S
R
F
C
B
U
M
B
C
L
R
E
T
B
F
I
V
I
A
V
A
U
S
N
X
H
E
Q
A
T
R
O
N
S
V
A
U
Y
O
C
L
A
I
C
A
I
H
O
N
O
S
M
R
O
Z
Q
D
H
O
T
I
C
W
R
P
I
Z
R
A
K
Q
I
L
X
A
A
O
S
E
B
Y
S
I
S
T
E
M
A
S
M
O
A
B
H
J
J
Q
W
O
A
N
O
L
N
G
E
V
E
G
C
M
Q
A
L
H
R
I
T