Write operations that can be performed on a directory.

In UNIX/Linux, what would the octal notation be for a file with the following permissions:. • Owner can read, write, and execute • Members of the group can read and write • Members not belonging to the above can only read

Data Communication Channels in Computer Systems  Explain (with the aid of diagrams as appropriate) how you would write a procedure using commands stored in a Windows batch file to copy all the contents of a specific folder on a user’s computer to another folder on an external hard drive. NOTE: The data backup should occur once every day at a specific time; Furthermore, assume that the files to be copied are stored in a directory called “D:\my_files” and that these files must be copied to a directory called “E:\backup”.

Powershell ISE   You have been given a zip file containing several subdirectories and within each subdirectory is a PDF and an image file. Your task is to write a script that will move all the PDF files into a directory called PDF and the images into a directory called images. Your script should create the top level folders (images and pdf) and move all the files.

Write a bash script for a menu driven file management utility that can do following operations                 Create file Delete file Copy file Move file Change file user and group owner Change file permissions

Instructions Which attribute is displayed by the attrib command for a file that is backed up and unchanged? • V • S • R • None of these are correct < Prev

Write a bash script for a menu driven file management utility that can do following  Create file Delete file Copy file Move file Change file user and group owner Change file permissions

MS-DOS XCOPY/D: date command copies only those files that have been modified on or after the specified date. How is this possible?

Both DOS and Linux have multiple commands for managing the file system, what command is used in DOS to create a new (sub) directory: