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®® Microsoft Windows 7 for Power Users Tutorial 13 Using the Command-Line Environment.
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Transcript of ®® Microsoft Windows 7 for Power Users Tutorial 13 Using the Command-Line Environment.
®®Microsoft Windows 7 for Power Users
Tutorial 13Using the Command-Line
Environment
XPXPXPXPXPXPObjectives• Learn about the importance of command-line
skills• Use internal and external commands• Customize a command-line window• Pipe output to the More filter• Compile information about a computer and its
power usage
Windows 7 for Power Users Tutorial 13 2
XPXPXPXPXPXPObjectives• Display a directory tree, change directories,
and view directory listings• View file attributes• Create a directory and copy files• Use wildcards to streamline command
operations• View the Windows environment and create an
environment variable
Windows 7 for Power Users Tutorial 13 3
XPXPXPXPXPXPCommand Help
Windows 7 for Power Users Tutorial 13 4
XPXPXPXPXPXPThe Importance of Command-Line Skills• Provides a way to operate your computer
without a graphical user interface• Essential for those who manage networks or
provide technical support• Helps to understand how the Windows
operating system works
Windows 7 for Power Users Tutorial 13 5
XPXPXPXPXPXPWorking with the Command Interpreter• To work in a command-line environment under
Windows 7, you first open a command-line window
• A command interpreter is a program that interprets commands entered at the command prompt, locates the appropriate program in memory or on disk, loads the program (if necessary), and then executes the program
Windows 7 for Power Users Tutorial 13 6
XPXPXPXPXPXPOpening and Closing a Command Prompt Window• From the Start menu, point to All Programs, click
Accessories, and then click Command Prompt. Or from the Start menu, type CMD in the Search programs and files box, and then press the Enter key
• If you want to open a Command Prompt window with Administrator credentials, right-click Command Prompt on the Accessories menu, click the Run as administrator check box (and add a check mark), and then specify Administrator credentials
• To close the Command Prompt window, type EXIT and then press the Enter key
Windows 7 for Power Users Tutorial 13 7
XPXPXPXPXPXPWorking with the Command Interpreter
Windows 7 for Power Users Tutorial 13 8
XPXPXPXPXPXPWorking with the Command Interpreter• Once you open a Command Prompt window, you can
enter commands at the command prompt to perform specific operations– Internal commands (common and important types
of operations)– External commands (program code resides in a
specific file on disk)• To locate Help information about the use of the
internal and external commands, you can use the Help switch (/?) or the HELP command
Windows 7 for Power Users Tutorial 13 9
XPXPXPXPXPXPUsing Help to Specify Console Colors• Default background color is black, and text
color is white• Use the COLOR command to customize the
Command Prompt window
Windows 7 for Power Users Tutorial 13 10
XPXPXPXPXPXPUsing Help to Specify Console Colors
Windows 7 for Power Users Tutorial 13 11
XPXPXPXPXPXPRecalling Commands from the Command History• To recall the previously entered command in a
Command Prompt window, press the Up Arrow key or press the F3 key
• To display the command history, press the F7 function key, use the Up Arrow key or Down Arrow key to select the command you want to use, and then press the Enter key
Windows 7 for Power Users Tutorial 13 12
XPXPXPXPXPXPRecalling Commands from the Command History
Windows 7 for Power Users Tutorial 13 13
XPXPXPXPXPXPUsing External Commands• You can use the LABEL command to assign a
volume label to a drive
Windows 7 for Power Users Tutorial 13 14
XPXPXPXPXPXPUsing the Pipe Operator to Display a Command-Line Reference List• HELP | MORE– Pipe operator redirects
the output to the MORE filter• Produces paged
output– Entire command is
called a pipeline
Windows 7 for Power Users Tutorial 13 15
XPXPXPXPXPXPUsing the SystemInfo Command• Displays configuration information about a
computer and its operating system• Clear the screen, type systeminfo | more and
then press the Enter key
Windows 7 for Power Users Tutorial 13 16
XPXPXPXPXPXPUsing the SystemInfo Command
Windows 7 for Power Users Tutorial 13 17
XPXPXPXPXPXPProducing a Power-Efficiency Diagnostics Report• The external POWERCFG (Power Configuration)
command is a command-line tool for controlling power settings on a computer
• Type powercfg -energy (with a space before the switch), and then press the Enter key
Windows 7 for Power Users Tutorial 13 18
XPXPXPXPXPXPProducing a Power-Efficiency Diagnostics Report
Windows 7 for Power Users Tutorial 13 19
XPXPXPXPXPXPNavigation
Windows 7 for Power Users Tutorial 13 20
XPXPXPXPXPXPWorking with Directories and Files• TREE command displays directory structure of
current directory and subdirectories
Windows 7 for Power Users Tutorial 13 21
XPXPXPXPXPXPWorking with Directories and Files• Change to the root directory by typing cd \ and
then pressing the Enter key
Windows 7 for Power Users Tutorial 13 22
XPXPXPXPXPXPViewing the Contents of a Directory• DIR command lists subdirectories and files within a
directory– /a attribute switch includes hidden directories and
files• /ad only shows directories
– /O lists subdirectories first in alphabetical order– /P displays one screen of output at a time• Press SPACEBAR to view next page
• cd directoryname changes directory to name specified
Windows 7 for Power Users Tutorial 13 23
XPXPXPXPXPXPViewing File Attributes• ATTRIB command lists attributes assigned to
files–Also can be used to change file attributes
Windows 7 for Power Users Tutorial 13 24
XPXPXPXPXPXPViewing File Attributes
Windows 7 for Power Users Tutorial 13 25
XPXPXPXPXPXPCreating a Directory• MD (Make Directory) command creates a
directory on a disk–md “directoryname”
Windows 7 for Power Users Tutorial 13 26
XPXPXPXPXPXPCopying Files• The COPY command copies files from one
location to another–COPY source destination
Windows 7 for Power Users Tutorial 13 27
XPXPXPXPXPXPChanging Drives• Change drives by typing the drive name at the
command prompt and then press the Enter key
Windows 7 for Power Users Tutorial 13 28
XPXPXPXPXPXPUsing Wildcards in File Specifications• A file specification is a notation for selecting
one or more files in a command operation• A wildcard is a symbol used to select a group
of files–Asterisk wildcard (*)• Substitutes for all or part of a filename
–Question mark wildcard (?)• Substitutes for a single character in a
filename
Windows 7 for Power Users Tutorial 13 29
XPXPXPXPXPXPUsing Wildcards in File Specifications
Windows 7 for Power Users Tutorial 13 30
XPXPXPXPXPXPViewing the Windows Environment• The Windows path (PATH environment
variable) locates the program files for external commands
Windows 7 for Power Users Tutorial 13 31
XPXPXPXPXPXPViewing the Windows Environment• The DIRCMD variable allows you to use the DIR
command without having to specify the same set of switches each time
Windows 7 for Power Users Tutorial 13 32
XPXPXPXPXPXPCreating a Batch Program• A batch program (or batch file) is a user-
defined program that contains a list of executable commands–Uses the .bat file extension
• Each command is listed on a different line
Windows 7 for Power Users Tutorial 13 33