Use Unix Commands to perform these actions

HOMEWORK 4: 3 points Research how to use Unix commands, and perform the following items on UH Unix. 1. print out the path to the current directory 2. create a new directory named "practice" 3. go to the created directory 4. create an empty file named "file" you must NOT use any text editor. There is a Unix command to do this. 5. create a new directory named "sub" Note: don't go to the directory "sub". You will still work in the directory "practice" below 6. copy the file "file" to the directory "sub" 7. rename the file "file" to "newname" 8. list up items in the current directory with file permissions Note: it should print a table containing the file "newname" and the directory "sub" with detailed information. 9. add an executable permission for the owner to the file "newname" Note: keep the others (group and others) unchanged 10. remove the directory "sub" at once 11. list up items in the current directory with file permissions