The Octal number to be given alogn with chmod command to make a file readable, writable and executable to the owner, readable and executable to group and others is:

A file named file01 should be readable, writable and executable only by the user(owner). Which one of the following set of command will be used?

A

chmod 700 file01

B

chmod 000 file01

C

chmod 477 file01

D

chmod 777 file01

A file owner does not have a permission to edit the file but the group to which the file owner belong do have the permission to edit it. Can owner edit the file?

A

Yes

B

No

C

Cannot be defined

D

Error will be encountered

Each of the question below consists of a question and three statements number I, II and III given below it. You have to decide whether the data provided in the statement are sufficient to answer the question. Two person X and Y together can make 25% of total number of bricks in 4.8 days. Another person Z can make 50 bricks in a day. What is the time taken by person X and Z together to make the total number of bricks? I. Dimensions of a brick is (3cm × 4cm × 5cm) while the dimension of a cuboids when all the bricks are put together is (72cm × 80cm × 50cm) and ratio of number of days taken by X and Y alone to make the total number of bricks is 3 : 2. II. The total number of bricks is 4800 and person Y can make 150 bricks in day. III. Total volume of all the bricks together is 1.008m3 and dimension of a bricks is (5cm × 6cm × 7cm) and time taken by Z to make total number of bricks is 200 % more than the total time taken by person Y to make total number of bricks.

A

Statement I alone is sufficient.

B

Statement III alone is sufficient.

C

Any one of them alone is sufficient.

D

All I, II and III together are sufficient.

E

Any two of them together are sufficient.

Which of the following commands is used to absolutely assign all permissions to the owner, read and write permissions to the group and only executable permission to the others of the file note?

A

chmod 761 note

B

chmod 671 note

C

chmod 167 note

D

chmod 4=rwx, g=rw note

E

None of the above

Read the Assertion (A) and Reason (R) and give the correct answer with the help of given below:
Assertion (A): The most important power of an owner is the right to exclude others.
Reason (R): The owner may grant to another many of his rights and yet remain owner.

A

Both (A) and (R) are true and (R) is the correct explanation of (A)

B

Both (A) and (R) are true, but (R) is not the correct explanation of (A)

C

(A) is true, but (R) is false

D

(A) is false, but (R) is true

The chmod ugo+rw note command can be represented in octal notation as

A

chmod 555 note

B

chmod 666 note

C

chmod 444 note

D

chmod 333 note

E

None of the above

What command is used with file named 'letter' to remove the executable permission from the user and assign read permission to the group and others?

A

chmod go + x, u - x letter

B

chmod g - x, uo + r letter

C

chmod go + r, u + x letter

D

chmod u - x, go + r letter

E

None of the above

Which command is used with file named 'note' to remove the executable permission from the user and assign read permission to the group and others?

A

chmod u-x, go+r note

B

chmod go+r, u+x note

C

chmod g-x, uo+r note

D

chmod go+x, u-x note

E

None of the above

What command is used to assign executable permission to the owner of the file named "letter"?

A

chmod ugo + x letter

B

chmod u + x letter

C

chmod u + w letter

D

chmod g + x letter

E

None of the above

If we do not specify the executable file name at the compilation time in GCC, then in linux the compiler creates executable named as

A

a.out

B

a.exe

C

x.out

D

x.exe

The Octal number to be given alogn with chmod command to make a file readable, writable and executable to the owner, readable and executable to group and others is:

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