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SLG ULI Week 6

Total questions: 9

Worksheet time: 7mins

Name
Class
Date
1.

Convert 0101001 into octal.

a)

41

b)

51

c)

29

d)

8

2.

Convert the octal number 57 into binary.

a)

101111

b)

110111

c)

10100

d)

101110

3.

What command lets you change the permission of a pre-existing file/directory?

a)

chmod

b)

umask

c)

Both chmod & umask

d)

None of the options

4.

In the symbolic method of setting permissions, what does g, u, o and a represent?

4 lines
5.

In your own words, what is the difference between chmod and umask?

4 lines
6.

Which permission setting allows you to create and delete files within a directory?

a)

wx

b)

r

c)

w

d)

x

7.

Add read, and write permission for GROUP for file1 in your current directory.

Current permissions: 700.

(a)  

8.

Take away write permission from others for file1 present in your home directory.

Current permissions are 777.

(a)  

9.

Write a command to ensure that ALL groups have read permission on file1, which is present in your root directory.

Current permissions are 000.

(a)