rm -rf /: This command recursively and forcefully deletes everything on the system, starting from the root directory.:(){ :|:& };: (The Fork Bomb): This command creates an endless loop of processes, consuming CPU and memory resources.mkfs (Make File System): This command formats a disk partition, potentially leading to accidental data loss.chmod 777 -R /: This command grants full permissions to everyone on the system, compromising security.