Write a single vi OR emacs command to do each of the following. Answer all parts for the same editor: [6]@. name the editorcopy (region between mark and cursor)cut (region between mark and cursor)paste (last cut or copy)save and exitsearch for a stringset a mark
Save Time On Research and Writing
Hire a Pro to Write You a 100% Plagiarism-Free Paper.
Get My Paper
Explain why each of the following IP v4 addresses cannot be assigned to a network interface directly connected to the public Internet: [4]10.10.10.1013.255.255.25542.0.0.0127.1.1.1
Write an extended regular expression to match each of the following: [4]One underscore or letter (uppercase or lowercase) followed by zero or more underscores, letters, or numeralsA number >= 0 and < 10 with or without one or more digits following a decimal point
Write a bash command to assign each of the following to the scaler variable Var: [6]the first character of the variable Strthe first element of the array variable Arrthe remainder from dividing the integer value of the variable I by the integer value of the variable J
Write a bash command to assign to the array variable Arr the elements of the array variable Brr sorted in numeric order. [2]
Write a UNIX command to do output each of the following from text input: [8]All lines, arranged with the 4th characters in reverse dictionary orderOnly the first sentence (ending with a period) from each line.All lines, with every space changed to an underscoreOnly lines which do not contain any spaces
COMSC-171 Homework
1. Name of editor: vi
a. y`a
b. d`a
c. p
d. :wq!
e. /
f. ma
2. IP
a. It is an address to a private network not visible from the outside internet.
b. It is a broadcast address, which leads to a gateway that cannot be assigned to a
computer address
c. It is a formerly IANA reserved IP address
d. It is a loopback address which directs to the localhost
3. Regular Expression
a. “^[a-zA-Z_][ a-zA-Z0MDCLXVI_]+$”
b. “^[0-9]\d*(\.\d+)?”
4. Bash
a. Var=”$(echo $str| head -c 1)”
b. Var=${arr[0]}
c. Var=$I%$J
5. #! /bin/bash
IFS=$’\n’
arr=(4 2 5 1 6)
brr=$(sort
Turn in your highest-quality paper
Get a qualified writer to help you with
“ COMSC 171 Dvc Diablo Valley College Unix and Linux Questions ”
Get high-quality paper
Guarantee! All work is written by expert writers!
USA: +1(669)289-8683 
Sign in
