大家帮忙翻译！（linux）

root@ubuntu:/sys# avupdateNo product specifiedavupdate - Updates AVIRA AntiVir productsUsage: /usr/sbin/avupdate [optional parameters] --product=✀Product✀Products installed: Guard (includes Scanner, Engine and Signatures) Engine Scanner SignaturesOptional parameters: --config=✀PATH✀ (specify a different configuration file than /etc/avira/avupdate.conf) -c|--check (only check if updates are available) -s|--skip-license-check (skip checking for valid license when updating product)Other options: -h|--help (this help message) -v|--version (displays avupdate.bin version)root@ubuntu:/sys#