$?$How can you change permissions of a file in Linux $.1$

A$)$ Use the command

B$)$ Use the command

C$)$ Use the command

D$)$ Use the command

What does the command do $2$

A$)$ Changes the content of a file

B$)$ Cuts a file into smaller files

C$)$ Selects columns of fields from a file

D$)$ Removes specific lines from a file

$?$What does do $3$

A$)$ Sets the script to be executable by everyone

B$)$ Locks the file for editing by anyone except the owner

C$)$ Gives full permissions to the owner and read$/$execute to others

D$)$ Makes the file readable by the group only

Which command would you use to display the file content $4?$page by page

A$)$ cat

B$)$ less

C$)$

more

D$)$

echo

$?$How do you display the first $10$ lines of a file $\mathrm{.}5$

A$)$ cat $-$n $10$ filename

B$)$ less $-$n $10$ filename

C$)$ head $-$n $10$ filename

D$)$ tail $-$n $10$ filename