Linux Command LineThe Linux FilesystemChanging DirectoriesLearning About Commands: The Man PagesUser PrivilegesAdding a UserAdding a User to the sudoers FileSwitching Users and Using sudoCreating a New File or DirectoryCopying, Moving, and Removing FilesAdding Text to a FileAppending Text to a FileFile PermissionsEditing FilesSearching for TextEditing a File with viData ManipulationUsing grepUsing sedPattern Matching with awkManaging Installed PackagesProcesses and ServicesManaging NetworkingSetting a Static IP AddressViewing Network ConnectionsNetcat: The Swiss Army Knife of TCP/IP ConnectionsCheck to See If a Port Is ListeningOpening a Command Shell ListenerPushing a Command Shell Back to a ListenerAutomating Tasks with cron JobsSummary