Which of the following is default permission set for directories?

Which of the following is default permission set for directories?

rw-rw-rw-

rwxrwxrwx

r–r–r–

rw-rw-rwx

Answer : B

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1) The first UNIX editor was __

emacs

2) For navigation purposes, the mode should be _____ mode.

command

input

insert

ex

3) In ex-mode, last line is represented by _

:

$

>

.

4) Using ‘b’ command we can _________

move back to the beginning of the word

move forward to the end of the word

move forward to the beginning of the word

move back to the end of the word

5) Which of the following characters specify the user and group category?

‘u’ and ‘g’

‘g’ and ‘o’

‘us’ and ‘gr’

‘u’ and ‘o’