Powering Off, Restarting, and ExitingFinding Your Bearings: Who, When, and Where Am IGetting Help: Manuals and Command LookupMoving Around: Navigating the FilesystemManaging Files and FoldersReading File ContentsSearching Text with grepFinding Files with findCounting, Sorting, and Deduplicating LinesCutting, Pasting, and Splitting FilesEditing Text in Place with sedProcessing Fields with awkComparing FilesCharacter Encoding and LocalePiping, Redirection, and Chaining CommandsCompressing and Extracting ArchivesChecking System Resources and HardwareManaging ProcessesNetworking and Downloading DataRemote Access and File Transfer (SSH)Permissions, Ownership, and Superuser AccessInstalling Software (Package Managers)Environment VariablesScheduling, Timing, and CalendarsShell Scripting BasicsText EditorsPython and Virtual EnvironmentsRunning Scripts in the BackgroundVersion Control with Git