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.
Cylindrical "forearms" house small electric motors, known as actuators, which pull on metal tendons that move the fingers with precision.
，更多细节参见夫子
Tan believes people are consulting the online discussion platform more as they're craving human interaction in the world of increasing AI slop.
“你爸还养牛吗？”2025年，我听了几次这种来自同行的关切（详见《犟老爸养牛｜记者过年》）。关于养牛这件事，说来尴尬。我老爸不仅没有放弃养牛，还养得更投入了。他一直期望牛价上涨，让他的营生有起色。