v4l_device_t type var_lib_domain macro var_lib_nfs_t type var_lib_t type var_lock_t type var_log_ksyms_t type var_log_t type var_run_domain macro var_run_t type var_spool_t type var_t type var_yp_t type VERSION file versions of SELinux vi_t domain View/Change button (Seuserx window) virtual filesystems virtual machines and User -Mode Linux (UML) vixie-cron package Vogt, Tom vulnerabilities, 0-day