QUESTION 17 What does the Linux command chmod do? Changes file access permissions Changes file owner and group permissions Compares the contents of two files Changes the modification date of the file O Chang QUESTION 18 What appears on the terminal after the following is entered? $ echo a ; echo b > out (no output) a ab O a b

Q: What is the group permissions for a file with the following permissions in Linux: drwx-wx--x…

A: The question is asking about the group permissions for a file in a Linux system, given the…

Q: What command will read and insert the file “heading” into the document you are editing and place it…

A: Actually, question regarding commands.

Q: Linux: When using AppArmor, the restrictions for each program are stored within text files named for…

A: When using AppArmor, the restrictions for each program are stored within text files named for the…

Q: The system call fork() returns in integer. Suppose the parent has pid 632 and the child has pid 600.…

A: Given: Fill in the blanks.

Q: Linux systems require file extension on file names.   True False

A: file extension on file names will be done in order to tell type of file by looking at it's…

Q: QUESTION 15 The root directory of the filesystem is the one directory with no parent directory. True…

A: Question 15: TrueThe root directory is often the highest-level directory in the filesystem hierarchy…

Q: Linux: You want to remind users of the acceptable usage policy that applies to all computer systems…

A: You will need to edit two files: /etc/motd (Message of the Day) - put the message that you want to…

Q: directories

A: Given :-  Linux permission and terminologies   Need to chose the correct option along with the…

Q: The Linux command to delete a file is   a. del   b. delfile   C. rm   d. filedel

A: Just like Windows, iOS, and Mac OS, Linux is an operating system. It is best-known and most-used…

Q: A. $ more /etc/passwd B. $ more ~/Study/diary C. $ more ../Desk/journal_ D. $ more Desk/journal_

A: Answer: Option A:  $ more /etc/passwd: Here the user can be in any directory to access a file…

Q: Which of the following commands locates the current directory in the directory hierarchy? wcd pwd…

A: Step 1  The correct answer is given in the below step with an explanation.

Q: You can use the command touch to change the time stamp of a file or create a new file with a size of…

A: Introduction of commands in computer science: A command in computer science is an instruction that…

Q: Objectives > Using file input output > Processing records Practice with exceptions Command…

A: Solution:   Given,   Create a program (addressbook.py) that manages an individual's address book.…

Q: Operating systems Which one is correct? A.)File and directory names can be renamed with the command…

A: Understanding basic file and directory manipulation commands is fundamental for effective file…

Q: 666

A: the default permission assigned when you create a file with umask

Q: Formulation of the solution and Interpretation of the solution of this. Essay type. Thanks.

A: The code given:- syms t x = (t^4-10*t^2+8*t+12)  % Displacement v = diff(x) %Velocity a = diff(x, 2)…

Q: Write a Bash script which: 1. Accepts a filename as a command-line argument. 2. Checks if the file…

A: Bash scripting is a powerful and widely-used scripting language in Unix-like operating systems. It…

Q: Iš -lah shows a file with the following permissions: 1 sally org 1.7K Jun 2 22:01 demo The user…

A: ls -lah command gives the list of files and the permissions --------- 1 Sally org 1.7K Jun 2 22:01…

Q: UNIX Subject : If the destination file does not exists, then mv command creates it. true or false

A: Background:-  mv command is used to either move file or rename file in linux.

Q: These are using Linux permissions and system calls, please help

A: 2. if file has mode number 0500 what can user owns file do file write  read execute  nothing 2. if…

Linux

An operating system (OS) is the software which manages hardware and resources, like CPU, storage and memory. The OS bridges the applications and hardware and makes the connections between all of your software and the hardware resources.