⟩ What is the command to set the execute permissions to all the files and sub-directories within the directory /home/user1/direct a) chmod -r +x /home/user1/direct b) chmod -R +x /home/user1/direct c) chmod -f -r +x /home/user1/direct d) chmod -F +x /home/user1/direct
b) chmod -R +x /home/user1/direct