Basic of linux unix

A. to move the cursor to a matching delimiter, when a delimiters a parenthesis, a bracket, or a brace.
B. to move the cursor to the upperleft corner of the screen
C. to move the cursor backward to the beginning of a word
D. to move the cursor to the first column in the current line

A. -4
B. -f
C. -1
D. -2

A. $
B. #
C. :
D. ;

A. ls -l -d
B. ls -l
C. ls -x
D. ls -F

A. sort
B. sh
C. st
D. sort -r

A. chmod u + r, g + r, o – x letter
B. chmod ugo = r letter
C. chmod a – rw letter
D. chmod go + r letter

A. Bob Young
B. Mark Eving
C. Richard Stallman
D. Linus Torvalds

A. ls | ws – c
B. ls | wc – w
C. ls | wc – l
D. ls | wc

A. 16
B. 4
C. 2
D. 1

A. stands for Red Hat Package Manager
B. stands for Red Hat Package Manager
C. is used to install, uninstall, and manage packages
D. is used to keep track of the users