#endif
static const char usage[] =
-"Usage: %s -u user_id [-g grp_id ] [ -G ] command\n"
+"Usage: %s -u user_id [-g grp_id] [-G[gid0,gid1,...]] command\n"
" -u user_id switch to UID user_id\n"
" -g grp_id switch to GID grp_id\n"
" -G[gid0,gid1,...] set supplementary groups\n";