List Files and FolderslsList the Contents of Other Foldersls musicList Folder Contents Using Wildcardsls ~/videos/*.wmvView a List of Files in Subfoldersls -RView a List of Contents in a Single Columnls -1View Contents As a Comma-Separated Listls -mView Hidden Files and Foldersls -aVisually Display a File’s Typels -FDisplay Contents in Colorls --colorList Permissions, Ownership, and Morels -lReverse the Order Contents are Listedls -rSort Contents by File Extensionls -XSort Contents by Date and Timels -tSort Contents by Sizels -SExpress File Sizes in Terms of K, M, and Gls -hDisplay the Path of Your Current DirectorypwdChange to a Different DirectorycdChange to Your Home Directorycd ~Change to Your Previous Directorycd -Change a File to the Current TimetouchChange a File to Any Desired Timetouch -tCreate a New, Empty FiletouchCreate a New DirectorymkdirCreate a New Directory and Any Necessary Subdirectoriesmkdir -pFind Out What mkdir Is Doing As It Actsmkdir -vCopy FilescpCopy Files Using Wildcardscp *Copy Files Verboselycp -vStop Yourself from Copying over Important Filescp -iCopy Directoriescp -RCopy Files As Perfect Backups in Another Directorycp -aMove and Rename FilesmvRename Files and FoldersmvDelete FilesrmRemove Several Files At Once with Wildcardsrm *Remove Files Verboselyrm -vStop Yourself from Deleting Key Filesrm -iDelete an Empty DirectoryrmdirRemove Files and Directories That Aren’t Emptyrm -RfDelete Troublesome FilesBecome Another Usersu usernameBecome Another User, with His Environment Variablessu -lBecome rootsuBecome root, with Its Environment Variablessu -Conclusion