$?$What does the command do $.6$

A$)$ Wraps text in a file

B$)$ Watches changes in a file

C$)$ Counts lines, words, and characters in a file

D$)$ Compares two files

$?$Which of the following is NOT a characteristic of Linux $.7$

A$)$ Only compatible with Raspberry Pi's

B$)$ Open source

C$)$ Multi$-$user system

D$)$ Multi$-$tasking

$?$What does the command uname $-$a display $\mathrm{.}8$

$.$A$)$ Both the Linux distribution name and the kernel version

$.$B$)$ The kernel version

$.$C$)$ The list of users connected

$.$D$)$ The Linux distribution name

Which command is used to print the name of the $?$current working directory

A$)$ ls

B$)$ cd

C$)$ pwd

D$)$ mkdir

What is the maximum number of characters that a $.10?$Linux filename can have

A$)1024$

B$)128$

C$)255$

D$)512$