+ puts(
+ "Usage: unshare [options] <program>\n"
+ "\n"
+ "Options: [DimnpuU]\n"
+ " -i Use IPC namespaces\n"
+ " -m Use mount namespaces\n"
+ " -n Use net namespaces\n"
+ " -p Use pid namespaces\n"
+ " -u Use UTS namespaces\n"
+ " -U Use user namespaces\n"
+ " -D Daemonize program"
+ );