# logcat > Dump a log of system messages, including stack traces when an error occurred, and information messages logged by applications. > More information: . - Display system logs: `logcat` - Write system logs to a file: `logcat -f {{path/to/file}}` - Display lines that match a regular expression: `logcat --regex {{regular_expression}}` - Display logs for a specific PID: `logcat --pid={{pid}}` - Display logs for the process of a specific package: `logcat --pid=$(pidof -s {{package}})`