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Similaire à Linux-Permission
Similaire à Linux-Permission (20)
Linux-Permission
- 2. • (Owner)
• (Group)
• (Other)
- 3. Linux
littleq@ubuntu:~$ ls -l
drwxr-xr-x 3 littleq littleq 4096 2010-02-01 01:00 ~
drwx------ 2 littleq littleq 4096 2010-02-04 11:53 amsn_received
drwxr-xr-x 3 littleq littleq 4096 2010-02-21 17:33 Downloads
drwxr-xr-x 9 root root 4096 2010-02-20 23:24 judge
drwx------ 2 littleq littleq 4096 2010-01-25 17:22 mail
drwxr-xr-x 8 littleq littleq 4096 2010-02-18 16:28 OnlineJudge
drwxr-xr-x 4 littleq littleq 4096 2010-03-08 16:47 program
drwxr-xr-x 7 littleq littleq 4096 2010-03-08 22:42 public_html
drwxr-xr-x 3 math11 mathlab 4096 2010-02-21 17:33 Downloads
- 4. Read Write eXecute
R W X
4 2 1
- 5. Linux
4 2 1 4 x 1 4 x 1
d r w x r - x r - x
7 5 5
- 7. chmod-
• chmod 775 < >
rwxrwxr-x
4 2 1 4 2 1 4 0 1
7 7 5
• chmod a+w,g+w < >
u
+ W
g
- R
o = X
a
- 8. chown-
• chown [-R] < >[: ] < >
• chown -R monkey:mathlab banana
• chown littleq aicp0529
- 10. • •
ASCII
binary •
data
•
•
•
block
character