...REAT; break; case 'x': flags |= IPC_EXCL; break; default: usage(argv[0]); } } if (argc != optind + 3) usage(argv[0]); key = ftok(argv[optind], argv[optind + 1][0]); if (key == -…..._NEWUTS; break; case 'U': flags |= CLONE_NEWUSER; break; default: usage(argv[0]); } } if (optind >= argc) usage(argv[0]); if (unshare(flags) == -1) err(EXIT_FAILURE, "unshare");…change properties of a mount or mount tree NAME mount_setattr - change properties of a mount or mount tree LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <linux/fcntl.…Seccomp user-space notification mechanism NAME seccomp_unotify - Seccomp user-space notification mechanism LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <linux/seccom…