Give a valid UNIX command line to achieve each of the following: 1) Change to another directory called CS421 2) Delete a file called wrongfile 3) Rename prog7.c to prog8.c 4) List the contents of the current directory including all file details 5) Print your current working directory 6) Make a new directory called megadir 7) Display the contents of a file called smallfile For the editor you chose to use, what command/action do you use to: 8) Add a new line of code 9) Search for a string 10) Save the file

What is the item which could be matched with a statement below? software installed on a computer that produces pop-up ads using your browser an example of social engineering malware loads itself before the os boot is complete type of spyware that tracks your keystrokes, including passwords windows key + l the practice of tricking people into giving out private information or allowing unsafe programs into the network or computer when someone who is unauthorized follows the employee through a secured entrance to a room or building a type of malware that tricks you into opening it by substituting itself for a legitimate program a computer that has been hacked, and the hacker is using the computer to run repetitive software in the background without the user's knowledge an infestation designed to copy itself repeatedly to memory, on drive space, or on a network