setgid bit (SGID)
A special permission bit. On a directory, new files and subdirectories get the directory's group instead of the creator's primary group; on a program, it runs with the file's group. ls -l shows s in place of the group's x.
A special permission bit. On a directory, new files and subdirectories get the directory's group instead of the creator's primary group; on a program, it runs with the file's group. ls -l shows s in place of the group's x.