6. Write a shell script that contains a hashpling and comments. It should perform the following tasks: a. Displays a list of currently logged-in users b. Displays the system's host name c. Displays the time and date d. Displays the disk usage e. Displays the current working directory f. Displays the pathname to the BASH shell

try this:

go tos official website.

click on your profile pic at the top right of the screen and click 'edit profile'.

click on "preferences" and press "year of birth".

and then just maybe try to reset whatever error made before by typing in the correct age details again. hope this !

which functions return a valid value without any arguments?

(-blank- and -blank- return a valid value without any arguments.)

1st -blank-

today

sqrt

count

2nd -blank-

round

now

sqrt