Please, solve it in ubuntu and show it by screenshot

Exercises 2- Make the Desktop your main working directory to perform all the following: - Display the content of the directory usr. - Move to directory tmp then, to directory bin. Return back to directory usr. - Go to the home directory, Return back to the Desktop to create three directories (dr1, dr2, and dr3) and five files (a1, a2, A3, B1, and B2). List the content of Desktop. - Rename all the directories. Move the files (A3, B1, and B2) into the 1st directory and list its contents. Copy the files (a1 and a2) in to the third directory. Copy the first directory and second directory to tmp, then remove the third directory from the desktop. 3- Display the free amount of memory and the date