case $choice in
1)
read -p "Enter the file to copy:" file
read -p "Enter the new file name:" newfile
$(cp file newfile)

;;

2)
read -p "Enter the file to move:" mvfile
read -p "Enter the file where to move:" newmv
$(mv mvfile newmv)

;;

3)
read -p "Enter the file name to remove:" filenm
$(rm filenm)

;;
esac

Error:

What do you want to do:
1) To copy from one file to another file
2) To move a file
3) To remove a file
**********************************************
Enter the choice:1
Enter the file to copy:common.txt
Enter the new file name:clone.txt
cp: cannot stat 'file': No such file or directory
root@root1-VirtualBox:/home/root1# 

(when I try to run this it throws me an error like this !!)