Provide a sequence of Shell commands that will: Create a directory project-1 Enter directory project-1 Return to the parent directory Rename project-1 to project-0 List all files in the current directory

Write a command that revokes write permissions from group and other for all files in the current working directory.

What directory can a user be in to access a file using commands with arguments such as: $ more  /etc/passwd $ more  ~/Study/diary $ more  ../Desk/journal $ more  Desk/journal

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.

USING PHYTHON  Exercise 2  Use 5 Functions in Python Math Module  and print the results  Exercise 3 using OSmodule , explore the following functions  and execute the command  Write a command to create a new directory using OS Library  Write a command to delete the existing file

As we type “make” command on the terminal a) make reads the makefile in the current directory b) make reads the makefile in the parent directory c) make reads the makefile in the predefined environment variable d) none of the mentioned

TRUE or FALSE? A directory is a collection of files that are organized together and labeled with a common name.

In order to perform a command, the shell launches a new process to run the file. If a file is executable, how can it distinguish the difference between a shell script and a file formed through compilation? The conditions described above should be checked in what order?

C shell. A child process executes shell commands. Shell script. The user's executables may be in (/bin/). Shell doesn't take command line arguments or pipes.

Demonstrate your grasp of the Unix file system by constructing a directory structure as follows : In your home ( ~ ) directory, create a directory named “UnixCourse”. This directory will be used in the remaining assignments of this course, as well as this one. Several of the commands that you will issue in this course will examine files in this directory and, in some cases, send me a listing of those files or even copies of those files for grading and diagnostic purposes. So you should not store anything unrelated to the course assignments in this ~/UnixCourse area. Within your UnixCourse directory, create a directory named “fileAsst”. Within that fileAsst directory, create two directories, named “TweedleDee” and “TweedleDum”. Use the ls and/or tree command to check your work. Within the TweedleDee directory, you should place a copy of the file ~cs252/Assignments/fileAsst/hatter.txt Use the ls and/or tree command to check your work. Within the TweedleDum directory, you should place a…