# sysdig > System troubleshooting, analysis and exploration. > Capture, filter and store systemcalls. > More information: . - Capture all the events from the live system and print them to screen: `sysdig` - Capture all the events from the live system and save them to disk: `sysdig {{[-w|--write]}} {{path/to/file}}.scap` - Read events from a file and print them to screen: `sysdig {{[-r|--read]}} {{path/to/file}}.scap` - Filter and Print all the open system calls invoked by cat: `sysdig proc.name=cat and evt.type=open` - Register any found plugin and use dummy as input source passing to it open params: `sysdig -I dummy:'{{parameter}}'` - List the available chisels: `sysdig {{[-cl|--list-chisels]}}` - Use the spy_ip chisel to look at the data exchanged with ip address: `sysdig {{[-c|--chisel]}} spy_ip {{ip_address}}`