A.$USERNAME==bob

B.USERNAME=bob

C.var USERNAME=bob

D.set USERNAME bob

E.USERNAME<=bob

A.It allows the execution of commands without the need to know the location of the executable.

B.It specifies the location of a user's home directory.

C.It indicates the location of the default shell to be used when a user logs in.

D.It contains the absolute path to the current directory.

E.It increases security by preventing commands from running in certain locations.

A.grep --sort data.csv

B.a..z data.csv

C.wc -s data.csv

D.sort data.csv

E.abc data.csv

A./home/user/Downloads/Documents/

B./home/user/Documents/Downloads/

C./home/Documents

D./home/user/Documents/

E./Documents/

A.On rewritable flash storage which is built into the Raspberry Pi.

B.On the master device attached to the Raspberry Pi's IDE bus.

C.On a read only partition on the Raspberry Pi's firmware, next to the BIOS.

D.On a removable SD cardwhich is put into the Raspberry Pi.

E.On a Linux extension module connected to the Raspberry Pi's GPIO pins.