单选题How can permissions be set up on /tmp so that a user cannot delete another user’s files？（）A chmod +s /tmpB chmod 775 /tmpC chmod 1777 /tmpD chmod 4755 /tmp
题目
单选题
How can permissions be set up on /tmp so that a user cannot delete another user’s files？（）
A
chmod +s /tmp
B
chmod 775 /tmp
C
chmod 1777 /tmp
D
chmod 4755 /tmp