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.
theguardian.com
。业内人士推荐搜狗输入法2026作为进阶阅读
第一百一十二条 公安机关作出治安管理处罚决定前，应当告知违反治安管理行为人拟作出治安管理处罚的内容及事实、理由、依据，并告知违反治安管理行为人依法享有的权利。
quickSortRecursive(arr, low, pivotIdx - 1); // 排序左半部分