1 2 /proc/self/cmdline: 3 ./procfs-cmdline-exe\0arg1\0arg 2\0arg3\0 4 /proc/<pid>/cmdline: 5 ./procfs-cmdline-exe\0arg1\0arg 2\0arg3\0 6 Result of readlink("/proc/self/exe"): procfs-cmdline-exe 7 Result of readlink("/proc/<pid>/exe"): procfs-cmdline-exe 8 Result of readlinkat("/proc/self/exe"): procfs-cmdline-exe 9 Result of readlinkat("/proc/<pid>/exe"): procfs-cmdline-exe 10 11