Solved What is meaning of 's' for file system access right

[redriver]

What is the meaning of 's' in the following command output?

root@sh-ostc-perf03-honzhan:/home/honzhan # ll 10.2_release/bin/rcp
-r-sr-xr-x  1 root  wheel  19992 Jan 11 19:41 10.2_release/bin/rcp*

 

[protocelt]

Have a look at the Permissions section of the FreeBSD Handbook.