Choose one of the following correct combination of

Which character is used to denote a single-line comment in a shell script?

What is the primary purpose of the "shebang" line `#!/bin/bash` at the beginning of a shell script?

Which command is used to display all currently running processes in Linux?

Which command is used to display the contents of a file in Linux?

Which symbol is used for logical AND in shell scripting?

Which symbol is used in shell scripting to reference a positional parameter, e.g., the first argument passed to a script?

Which operator enables process substitution in bash (e.g., diff <(cmd1) <(cmd2))?

How do you check the exit status of the last executed command in a shell?

Which command is used to read user input from the keyboard and store it in a variable?

Which command is used to read user input from the keyboard and store it in a variable?