# unshare > Execute a command in new user-defined namespaces. > More information: . - Execute a command without sharing access to connected networks: `unshare {{[-n|--net]}} {{command}} {{command_arguments}}` - Execute a command as a child process without sharing mounts, processes, or networks: `unshare {{[-m|--mount]}} {{[-i|--pid]}} {{[-n|--net]}} {{[-f|--fork]}} {{command}} {{command_arguments}}`