Changing Your HostnameStarting a Script on Bootup: rc.localTry It for YourselfAliasesTry It for YourselfChecking Disk and File Space Usage: df, duPerformance Monitoring: topTry It for YourselfKilling a Process: Ctrl-C, ps, killStop, Background, and Foreground Jobs: Ctrl-Z, &, fgTry It for YourselfFinding USB Devices: lsusbLogging the Output of a Script: >, >>Searching the Output of a Command: grepMonitoring a Log File: tailAdding a User: adduser, addgroupChanging File Ownership and Permissions: chown, chmodRunning More Than One Command at the Same Time: &&, ||Opening Another Console SessionDealing with Long CommandsScheduling Jobs: cronWhy This Matters for Makers