journald

journald is a system service used in Linux-based operating systems to collect and store logs, which are records of system and application activities. It helps system administrators and users monitor, troubleshoot, and analyze the performance and issues on a computer by organizing logs in a centralized and efficient manner. Unlike traditional log files, journald stores logs in a structured, binary format that can be quickly searched and filtered. It also maintains metadata like timestamps and process identifiers, making it easier to understand the context of each event, thereby enhancing overall system management and security.