Linux file permission
问题 There is a process which is running under root user. ps aux | grep ProcessX root 11565 0.0 0.7 82120 22976 ? Ssl 14:57 0:02 ProcessX Now ls -l /proc/11565/ (pid ) gives this result. total 0 dr-xr-xr-x 2 root root 0 Aug 9 16:06 attr -rw-r--r-- 1 root root 0 Aug 9 16:06 autogroup -r-------- 1 root root 0 Aug 9 16:06 auxv -r--r--r-- 1 root root 0 Aug 9 16:06 cgroup --w------- 1 root root 0 Aug 9 16:06 clear_refs -r--r--r-- 1 root root 0 Aug 9 16:06 cmdline -rw-r--r-- 1 root root 0 Aug 9 16:06