. Which file stores the passwords of the user accounts in the Linux operating system: a. /etc/passwd; b. /etc/shadow; c. /etc/group; d. None of mentioned above.
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- Type the flag-hw number located in the file name in the root directory (/root). what is the linux code for this?Use Linux executable objectCode5 for this question. These files are on syccuxas01.pcc.edu in directory ~michael.trigoboff/cs201/quiz02LinuxFiles. The file is run from the Linux command line, and takes one positive numerical argument, like this: ./objectcode5 3 (You can enter any small positive integer instead of 3.) Command line arguments are passed to int main(int argc, char** argv) as arguments argc and argv. You should assume that argc is at ebp+8 and argv is at ebp+12. This code contains a function named what. Using gdb, figure out what the function named what computes: 1) the absolute value of n 2) n squared 3) the sum of the integers from 1 through n 4) factorial of nIn Linux, you may find certain commands that are almost similar to their Unix equivalents. So, what's the deal here?
- If wrong answer this time will downvote it Create a class with a static main that tests the ability to resolve and print a Path: • Create an instance of a FileSystem class. • Resolve an instance of a Path interface from a directory path and filename. • Print the constructed Path with System.out.println() method. 2. Create a class with a static main that tests the ability to resolve and print a Path: • Create an array of Path class. • Instantiate instances of Path with absolute and relative paths. • Print the constructed elements of the array of Path class with System.out.println() method. 3. Create a class to test serialisation class that implements serializable, it should implement the following: • A static void method that serialises an object. • A static void method that deserializes an object. • A static main method that tests the two by moving an object from one to the otherLINUX QUESTIONS: Write Linux command for each question. Please use one single command to do following process. Q1: Make a directory name “ET506" and "ET506HW"in your home directory. Q2: Make a filename call “myfile.txt” and "root_file.txt". Q3: Copy <myfile.txt> with name <myfile_1.txt> Q4: Move <myfile.txt> to the directory “ET506” with name <file.txt> Q5: Delete <file.txt> Q6: Delete directory <ET506HW> Q7: Rename <root_file.txt> to <root_new_file.txt> Q8: Create five files name “file1.txt”, “file2.txt”, “file3.c”, “file4.cpp”, “file5.html”. Q9: List all files end with “.txt” Q10: List all files contain “file” Q11: Move every file with name contain “file” to directory “ET506”Which is true about Linux user accounts? (Choose all that apply.) a. They must belong to at least one group. b. The account names are case sensitive. c. The full name is a required part of the user account. d. The account names can’t contain lowercase letters.
- Part 2 OCTAL numbers have special usage regarding file permission. can you modify the permission by using OCTAL number? Assuming current working directory is "/home/test1/Exam1" and "rwxrw _r_ _" is the file permission setting of "Hello.java" . Remove the execution permission from the owner and add write permission to the other users in the other groupThe Shell or Command Line Interpreter is the fundamental User interface to an Operating System. Your task is to write a simple shell - myshell - that has the following properties: Tasks: The shell must support the following internal commands: i. cd - Change the current default directory to . If the argument is not present, report the current directory. If the directory does not exist an appropriate error should be reported. This command should also change the PWD environment variable. ii. cls - Clear the screen. iii. dir - List the contents of directory page by page. iv. xcopy to - Copy the folder to . v. print - Display on the display followed by a new line (multiple spaces/tabs may be reduced to a single space). vi. md - Create the folder . vii. rd - Remove the folder if the folder is empty, should display error message if it is not. ix. quit - Quit the shell. x. The shell environment should contain shell=/myshell where /myshell is the full…Write a shell script that reads a file name and checks this file exists or not. If the file exists, searches this file for "Joshua" or "joshua" and displays the total number of occurrences of "Joshua" and "joshua"; if the file does not exists, display "the file does not exist." Hints: you can use cat and egrep.
- USING LINUX Give the line in a crontab file to mail the contents in file notice.txt in your home directory to your University email account with the subject line “Notice” at 8:00 AM on 15th of each month (read the manual page of mail to see how to specify the subject line):In linux What is meant by ".. "How do you set permissions in Linux using PuTTY for each shared directory so only the users and groups have access to their shared directory. By settting the group ID for each shared folder so that all subdirectories and files inherit the shared folder permissions.