# ethtool > Display and modify Network Interface Controller (NIC) parameters. > More information: . - Display the current settings for an interface: `ethtool {{eth0}}` - Display the driver information for an interface: `ethtool {{[-i|--driver]}} {{eth0}}` - Display all supported features for an interface: `ethtool {{[-k|--show-features]}} {{eth0}}` - Display the network usage statistics for an interface: `ethtool {{[-S|--statistics]}} {{eth0}}` - Blink one or more LEDs on an interface for 10 seconds: `ethtool {{[-p|--identify]}} {{eth0}} {{10}}` - Set the link speed, duplex mode, and parameter auto-negotiation for a given interface: `ethtool {{[-s|--change]}} {{eth0}} speed {{10|100|1000}} duplex {{half|full}} autoneg {{on|off}}`