I need the commands, for Linux Ubuntu please.

Practice 07 1. Create an empty file named prgl 2. Check the file permission 3. Using symbolic mode, add write permission for group 4. Using symbolic mode, remove the group read and write permission 5. Using symbolic mode, change the permission to rwxrw---- 6. Using numeric mode, change the permission to rw-r----- 7. Using numeric mode, change the permission to add write permission to others 8. Using numeric mode, change the permission to add execute permission to the group 9. Using numeric mode, change the permission to revoke the write permission from others 10. Using numeric mode, change the permission to make it read and execute for everybody