PAM_ROOTOK(8) Linux-PAM Manual PAM_ROOTOK(8) (NAME) pam_rootok - (root) (SYNOPSIS) pam_rootok.so [debug] (DESCRIPTION) pam_rootok PAM UID 0 . setuid-root UID effective-UID . UID . (OPTIONS) debug . (MODULE TYPES PROVIDED) auth account password . (RETURN VALUES) PAM_SUCCESS UID 0 . PAM_AUTH_ERR UID 0 . (EXAMPLES) su(1) (superuser) . PAM /etc/pam.d/su : # su authentication. Root is granted access by default. auth sufficient pam_rootok.so auth required pam_unix.so (SEE ALSO) su(1), pam.conf(5), pam.d(5), pam(8) (AUTHORS) pam_rootok Andrew G. Morgan . Linux-PAM 01/26/2026 PAM_ROOTOK(8)