Q1 What does the following command do? Please explain and run the command on your own system & provide an example of the results. ┌──(kali㉿kali)-[~] └─$ uptime What does the option -s show in the following command? Please explain and run the command on your own system & provide an example of the results. ┌──(kali㉿kali)-[~] └─$ uptime -s

please solve all i can't post any more??.

Q3/B Explain the differences among the following commands use the value D=-5.3 to give examples on each command. 1) fix(D) 2) floor(D) 3) ceil(D) 4)round (D)

You can use the character pipe(|) to use the output of a command as the input of another command True or False

Write a code for the attached photo using Console.WriteLine.

please answer both two questions

I have posted this multiple times and people keep giving me answers that don't correspond to the question or is unloadable. So please read this carefully. Answer the operand given below on the bottom left and the fill in its value that is on the bottom right. Please make it loadable before sending as previous tutors sent a black page and please answer what is being asked in the question !! Again bottom left is the operand and please fill in its value which is on the bottom right..

Which of the following statements is true? (Choose all that apply.)a. If /etc/at.allow exists, only users listed in it can use the at command.b. If /etc/cron.allow exists, only users listed in it can use the cron command.c. If /etc/cron.deny exists and /etc/cron.allow does not exist, any user not listed in/etc/cron.deny can use the cron command.d. If /etc/cron.allow and /etc/cron.deny exist, only users listed in the former can use thecron command, and any users listed in the latter are denied access to the croncommand.e. If a user is listed in both /etc/cron.allow and /etc/cron.deny, then /etc/cron.denytakes precedence and the user cannot access the crontab command.

I need the answer as soon as possible

Create an application that lets you enter a new customer or a new employee. ConsoleWelcome to the Person ManagerCreate customer or employee? (c/e):Error! This entry is required. Try again.Create customer or employee? (c/e): pError! Entry must be 'c' or 'e'. Try again.Create customer or employee? (c/e): cFirst name: SteveLast name: TrevorCustomer number: M10293You entered a new Customer:Name: Steve TrevorCustomer Number: M10293Continue? (y/n): yCreate customer or employee? (c/e): eFirst name: DianaLast name: PrinceSSN: 111-22-3333You entered a new Employee:Name: Diana PrinceSSN: xxx-xx-3333Continue? (y/n): OKError! Entry must be 'y' or 'n'. Try again.Continue? (y/n): n SpecificationsCreate a class named Person with these constructors and methods: public Person(String first, String last)public String getFirstName()public void setFirstName(String first)public String getLastName()public void setLastName()The Person class should override the toString() method so it returns the first name…