Unix Questions

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61.

Which command is used to list all the files with extension .lst?

A

ls -l *.lst

B

ls lst*

C

ls *.*

D

ls *[lst]

E

None of the above

Correct Answer: A

None.

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62.

Which option is used with the chmod command recursively to all files and sub-directories in a directory?

A

-1

B

#NAME?

C

#NAME?

D

-R

E

None of the above

Correct Answer: D

None.

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63.

Which command is used to change directory to the name beginning with a 'p'?

A

cd p

B

cd p?

C

cd p*

D

cd [p]

E

None of the above

Correct Answer: C

None.

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64.

Which of the following is invalid filename?

A

shutry

B

TRY

C

trial

D

my .file

E

None of the above

Correct Answer: E

None.

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65.

Which commands is used to assign executable permission to all of the files named "letter"?

A

chmod ugo+r letter

B

chmod ugo+rw letter

C

chmod u+x letter

D

chmod ugo+x letter

E

None of the above

Correct Answer: D

None.

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66.

Which set option is used with vi editor to display line numbers on screen?

A

nm

B

nu

C

ic

D

li

E

None of the above

Correct Answer: B

None.

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67.

Which command is used to print a file?

A

print

B

prn

C

pg

D

lp

E

None of the above

Correct Answer: D

None.

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68.

Which command will be used with vi editor to replace single character under cursor with any number of characters?

A

s

B

S

C

a

D

i

E

None of the above

Correct Answer: C

None.

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69.

Which of the following set options is used with vi editor to ignore case while searching for patterns?

A

ic

B

ai

C

sm

D

ts

E

None of the above

Correct Answer: A

None.

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70.

Which command is used to list out all the hidden files along with the other files?

A

ls -l

B

ls -x

C

ls -F

D

ls -a

E

None of the above

Correct Answer: D

None.

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