Which of the following statements is NOT true regarding shell programs, or shells? Group of answer choices: `bash` is th

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Which of the following statements
is NOT true regarding shell programs,
or shells?
Group of answer choices:
`bash` is the only shell program used on modern systems; other
shells such as csh and zsh are not available on modern
distributions.
In bash, a popular shell program, a prompt that ends with '#'
designates the user has root privileges, whereas a prompt that ends
with '$' indicates the user has normal privileges.
Shells support many scripting capabilities, meaning one can
write powerful scripts in the shell that do not require other means
of programming.
The shell is the interface between human users and a Linux
system. Shells implement the Command Line Interface, known as the
CLI.