Mahmoud ElMansy: knowledge meant to be free

Power shell

Key Meaning
(Alt)+(F7) Deletes the current command history
(PgUp), (PgDn) Display the first (PgUp) or last (PgDn) command you used in current session
(Enter) Send the entered lines to PowerShell for execution
(End) Moves the editing cursor to the end of the command line
(Del) Deletes the character to the right of the insertion point
(Esc) Deletes current command line
(F2) Moves in current command line to the next character corresponding to specified character
(F4) Deletes all characters to the right of the insertion point up to specified character
(F7) Displays last entered commands in a dialog box
(F8) Displays commands from command history beginning with the character that you already entered in the command line
(F9) Opens a dialog box in which you can enter the number of a command from your command history to return the command. (F7) displays numbers of commands in command history
(Left arrow),(Right arrow) Move one character to the left or right respectively
(Arrow up),(Arrow down), (F5),(F8) Repeat the last previously entered command
(Home) Moves editing cursor to beginning of command line
(Backspace) Deletes character to the left of the insertion point
(Ctrl)+(C) Cancels command execution
(Ctrl)+(End) Deletes all characters from current position to end of command line
(Ctrl)+(Arrow left),(Ctrl)+(Arrow right) Move insertion point one word to the left or right respectively
(Ctrl)+(Home) Deletes all characters of current position up to beginning of command line
(Tab) Automatically completes current entry, if possible

Cmd /c Help

For more information on a specific command, type HELP command-nameASSOC Displays or modifies file extension associations.
AT Schedules commands and programs to run on a computer.
ATTRIB Displays or changes file attributes.
BREAK Sets or clears extended CTRL+C checking.
CACLS Displays or modifies access control lists (ACLs) of files.
CALL Calls one batch program from another.
CD Displays the name of or changes the current directory.
CHCP Displays or sets the active code page number.
CHDIR Displays the name of or changes the current directory.
CHKDSK Checks a disk and displays a status report.
CHKNTFS Displays or modifies the checking of disk at boot time.
CLS Clears the screen.
CMD Starts a new instance of the Windows command interpreter.
COLOR Sets the default console foreground and background colors.
COMP Compares the contents of two files or sets of files.
COMPACT Displays or alters the compression of files on NTFS
CONVERT Converts FAT volumes to NTFS. You cannot convert the
current drive.
COPY Copies one or more files to another location.
DATE Displays or sets the date.
DEL Deletes one or more files.
DIR Displays a list of files and subdirectories in a directory.
DISKCOMP Compares the contents of two floppy disks.
DISKCOPY Copies the contents of one floppy disk to another.
DOSKEY Edits command lines, recalls Windows commands, and creates
ECHO Displays messages, or turns command echoing on or off.
ENDLOCAL Ends localization of environment changes in a batch file.
ERASE Deletes one or more files.
EXIT Quits the CMD.EXE program (command interpreter).
FC Compares two files or sets of files, and displays the
differences between them.
FIND Searches for a text string in a file or files.
FINDSTR Searches for strings in files.
FOR Runs a specified command for each file in a set of files.
FORMAT Formats a disk for use with Windows.
FTYPE Displays or modifies file types used in file extension
GOTO Directs the Windows command interpreter to a labeled line
in a batch program.
GRAFTABL Enables Windows to display an extended character set in
graphics mode.
HELP Provides Help information for Windows commands.
IF Performs conditional processing in batch programs.
LABEL Creates, changes, or deletes the volume label of a disk.
MD Creates a directory.
MKDIR Creates a directory.
MODE Configures a system device.
MORE Displays output one screen at a time.
MOVE Moves one or more files from one directory to another
PATH Displays or sets a search path for executable files.
PAUSE Suspends processing of a batch file and displays a message.
POPD Restores the previous value of the current directory saved
PRINT Prints a text file.
PROMPT Changes the Windows command prompt.
PUSHD Saves the current directory then changes it.
RD Removes a directory.
RECOVER Recovers readable information from a bad or defective disk.
REM Records comments (remarks) in batch files or CONFIG.SYS.
REN Renames a file or files.
RENAME Renames a file or files.
REPLACE Replaces files.
RMDIR Removes a directory.
SET Displays, sets, or removes Windows environment variables.
SETLOCAL Begins localization of environment changes in a batch file.
SHIFT Shifts the position of replaceable parameters in batch
SORT Sorts input.
START Starts a separate window to run a specified program or
SUBST Associates a path with a drive letter.
TIME Displays or sets the system time.
TITLE Sets the window title for a CMD.EXE session.
TREE Graphically displays the directory structure of a drive or
TYPE Displays the contents of a text file.
VER Displays the Windows version.
VERIFY Tells Windows whether to verify that your files are written
correctly to a disk.
VOL Displays a disk volume label and serial number.
XCOPY Copies files and directory trees.

$env:path += “;C:\programs\Windows NT\accessories”
& “C:\programs\Windows NT\accessories\wordpad.exe”
Get-Command -commandType cmdlet
Dir variable:
Dir variable:value*
Dir variable: -include value* -exclude *1*
dir variable: | Out-String -stream | Select-String ” 20 “