NamespaceWhat it isolatesWhat the process seesPIDProcess IDsOwn process tree, starts at PID 1MountFilesystem mount pointsOwn mount table, can have different rootNetworkNetwork interfaces, routingOwn interfaces, IP addresses, portsUserUID/GID mappingCan be root inside, nobody outsideUTSHostnameOwn hostnameIPCSysV IPC, POSIX message queuesOwn shared memory, semaphoresCgroupCgroup root directoryOwn cgroup hierarchyTimeSystem clocks (monotonic, boot)Own system uptime and clock offsetsNamespaces are what Docker containers use. When you run a container, it gets its own PID namespace (cannot see host processes), its own mount namespace (own filesystem view), its own network namespace (own interfaces), and so on.
2026-02-28 12:002026년 2월 28일 12시 00분
，这一点在91视频中也有详细论述
在专业选择上，“实用主义”成为主流。教育政策分析、健康信息学、ESG管理及网络安全等具备明确政策红利的领域，其就业率与薪资增长远高于纯学术研究型专业 [53, 55]。，详情可参考safew官方下载
Фото: Владимир Вяткин / РИА Новости