A.ps

B.proclist

C.jobs

D.netstat

A.--remove removes the program, --purge also removes the config files

B.--remove only removes the program, --purge only removes the config files

C.--remove removes a package, --purge also removes all packages dependent on it

D.--remove removes only the package file itself, --purge removes all files related to the package

A.

B.dist-upgrade

C.update

D.install

E.full-upgrade

A.rmdir ~/\\dir

B.rmdir ~/\dir

C.rmdir "~/\dir"

D.rmdir '~/\dir'

E.rmdir ~/'dir'

A.touch/tmp/myfile.txt

B.sed -ie "s/1/2/" /tmp/myfile.txt

C.echo "Hello" >/tmp/myfile.txt

D.file /tmp/myfile.txt

E.echo -n "Hello" >>/tmp/myfile.txt