Linux

Workbook 1. Quick Tour

Workbook 1. Quick Tour

Table of Contents
1. Logging In...............................................................................................................................................5 Discussion ..........................................................................................................................................5 Starting LinuxSessions ............................................................................................................5 Virtual Consoles .......................................................................................................................5 The X Graphical Environment .................................................................................................6Terminals in the Graphical environment ..................................................................................7 Logging out from the graphical environment...........................................................................9 Using the who command to determine who’s on the system. ................................................10 Logging into a machine over the network..............................................................................10 Examples..........................................................................................................................................11 Using virtual consoles ............................................................................................................11 OnlineExercises...............................................................................................................................12 Using multiple virtual consoles ..............................................................................................12 Questions..........................................................................................................................................13 2.The Kernel, Programs, and Processes................................................................................................16 Discussion ........................................................................................................................................16 The LinuxKernel....................................................................................................................16 Programs.................................................................................................................................17 Processes.................................................................................................................................17 Shells......................................................................................................................................18 The ps command ....................................................................................................................18 Questions..........................................................................................................................................19 The kernel, programs, andprocesses......................................................................................19 3. Examining the Filesystem ...................................................................................................................21 Discussion ........................................................................................................................................21 The Naming of Filesand Directories .....................................................................................21 Listing directory contents with ls ...........................................................................................21 Viewing the contents of a file with cat ...................................................................................22 Redirecting command output to...