Try this code:
sudo chown -R username directory_name
where,
usernameis the username of the user of the laptop you want to give access fordirectory_nameis the name of the directory whose permissions you want to change
Try this code:
sudo chown -R username directory_name
where,
username is the username of the user of the laptop you want to give access fordirectory_name is the name of the directory whose permissions you want to change