[计] share operating system, shared operating system
gòng xiǎng cāo zuō xì tǒng ㄍㄨㄥˋ ㄒㄧㄤˇ ㄘㄠ ㄗㄨㄛ ㄒㄧˋ ㄊㄨㄥˇ
共享操作系统