An Introduction to BASHJob ControlEnvironment VariablesPipesRedirectionCommand-Line ShortcutsFilename ExpansionEnvironment Variables as ParametersMultiple CommandsBackticksDocumentation ToolsThe man CommandThe texinfo SystemFiles, File Types, File Ownership, and File PermissionsNormal FilesDirectoriesHard LinksSymbolic LinksBlock DevicesCharacter DevicesNamed PipesListing Files: lsChange Ownership: chownChange Group: chgrpChange Mode: chmodFile Management and ManipulationCopy Files: cpMove Files: mvLink Files: lnFind a File: findFile Compression: gzipbzip2Create a Directory: mkdirRemove a Directory: rmdirShow Present Working Directory: pwdTape Archive: tarConcatenate Files: catDisplay a File One Screen at a Time: moreDisk Utilization: duShow the Directory Location of a File: whichLocate a Command: whereisDisk Free: dfSynchronize Disks: syncMoving a User and Its Home DirectoryList Processes: psShow an Interactive List of Processes: topSend a Signal to a Process: killMiscellaneous ToolsShow System Name: unameWho Is Logged In: whoA Variation on who: wSwitch User: suEditorsviemacsjoepicoSummary