Kill tasks without using task manager

Now you can kill a task or a process without using task manager. you can do it in command Prompt. To see process details and their pid type "tasklist" in command prompt. it will display list of all tasks. now you can kill any process just by typing taskkill /pid with its pid. suppose you want to kill a process whose pid is 2690 then you have to write "taskkill /pid 2690" If this process id is not valid id then it will give an error message otherwise it will kill that process instantly.

Hide data in notepad

Do you know that you can hide data in a notepad file. You can save any of your confidental data in a notepad file in such a way that noone is able to see it except you. just follow these steps:

1) Open command Prompt (type cmd in run).

2) You may change to any directory where you want to save that file.

3) Type notepad filename.txt:StoreHiddenData then press enter. here filename is name of file for example if i want to create a notepad file of name secret then i will write notepad secret.txt:StoreHiddenData. This will create a text file secret.txt.

4) A message will be pop up Cannot find the D:\secret.txt:StoreHiddenData.txt file. Do you want to create a new file?, click OK button to proceed create the new file.

5) A notepad will be pop up. Type data that you want to hide from others. Save the file and you are now successfully creating hidden data for this file.

6) close cmd.

A notepad file secret.txt is successfuly created which contains hidden data. When you open secret.txt, it seems empty. Actualy your data is hidden so you are not able to see it, if you want to see your hidden data then open cmd and type notepad secret.txt:StoreHiddenData. A notepad file will be pop up which contains hidden data.

Stop Restart OR Shutdown Process

In Window XP, Sometimes it gives an autorestarting warning with no option for postpone on it, Window vista gives that warning with postpone option. Sometimes its very annoying, If you use XP and doing some urgent work and you dont have enough time and at that moment, If it gave that autorestart warning, then you can do nothing except wait for it to restart but now here is one solution, By using this you can abort that restarting process. Just follow these steps:

1) Open command Prompt.

2) Type shutdown -a.

It will abort shutdown process. You can also abort it by simply writing shutdown -a in run window.

Make a folder named "CON" or "PRN" - Cool Computer Tricks

Do you know that you cant make a folder named as "con" or "prn". If u dnt believe then try to rename a folder give its new name con. It will give error that 'Specified Device name is invalid'. There are many words like con. Some of are them PRN, AUX, CLOCK$, NUL, COM1, COM2, COM3, COM4, COM5,COM6, COM7, COM8, COM9, LPT1, LPT2, LPT3, LPT4, LPT5, LPT6,LPT7, LPT8, LPT9.

These words are windows inbuilt reserved device names. so we cant use them.

But here I provide you a trick by which you can name a folder by any of the above specified names, So go n challenge your friends and prove your superiority..

Here is solution, follow these steps:

1) Open Command Prompt (Type cmd in Run).

2) Type md \\.\d:\con to create a con folder in d drive, You can replace d with any drive .

Its done.

Now for deleting it Type
rd \\.\d:\con

Access your folders as drives - Cool Computer Tricks

You can create Virtual Drives in your Computer. Now you can access your Favorite Folders as a drive in My Computer.
Just Do The Follwing :
 

1) Start >> Run
2) Type cmd and hit Enter.
This will open Command Prompt.
3) Type subst Z: E:\picture and hit Enter key.
Here Z: is your desired New Drive Letter (Do not use existing Drive letters) and E:\picture is path of your favorite folder.
4) Now, type exit.
Its done.
This will create a new drive ! When you open this , it will open your folder !!!

Delete undeletable files

Do you have some unwanted file in your system and when you delete them then it shows a warning message that you cant delete this file? If yes and if you want to get rid of these files then here are steps for you, just follow them:

1). Close all running applications.

2). Go to Run and type Cmd and press enter(it will open command prompt window).

3). Press Ctrl + Alt + delete and click on Start task manager.

4). Now in windows task manager, Go to Process tab.

5). In processes list, Highlight explorer.exe and click on End Process.

It will close explorer user interface(GUI).

6). Do not close task manager window leave it open, Now you should have two windows open 1 is command prompt other is taskmanager.

7). In cmd change directory to the directory which contains that undeletable file.

8). Now write Del filename and press Enter.

filename is name of undeletable file. For example here i wrote a.txt, it will delete file a.txt.

9). File is deleted now.

10). In task manager, Go to file and click on New task.

11). In new task dialog box, write explorer.exe and press enter.

12). Close cmd and taskmanager.

Its done.

File is deleted.

Delete viruses from pendrives using CMD

Mostly our pc get attacked by viruses from pendrives, so here is way to protect your pendrive and computer from viruses. Just follow these steps and delete viruses from pendrive without affecting your pc.

Here are steps:

1). Connect your pendrive and do not open it by using autorun.

2). Open Run and type cmd and press enter.

3). In the Command Prompt, Type the drive letter of your pendrive(you can check it from my computer) and then press enter.

4). Type dir/w/o/a/p and press Enter.

It will display list of files.

5). Now in that list search for virus files like:

Autorun.inf

New Folder.exe

Bha.vbs

Iexplore.vbs

Info.exe

New_Folder.exe

Ravmon.exe

RVHost.exe

any other files with .exe Extension . *

6). If it contains any of the files above file then type attrib -h -r -s -a *.* and press Enter.

7). Delete each of that file using delete Command

del filename (For exaple: del autorun.inf )

Its done!

Now you can scan your pendrive with any good antivirus and then can open it without affecting your system.

A to Z DOS commands

Here are list of some useful DOS commands. May be you know some of them and dnt know others. So just go through them.

a

ADDUSERS Add or list users to / from a CSV file.

ARP Address Resolution Protocol

ASSOC Change file extension associations.

ASSOCIAT One step file association.

AT Schedule a command to run at a later time.

ATTRIB Change file attributes.

b

BOOTCFG Edit Windows boot settings.

BROWSTAT Get domain, browser and PDC info.

c

CACLS Change file permissions.

CALL Call one batch program from another.

CD Change Directory - move to a specific Folder.

CHANGE Change Terminal Server Session properties.

CHKDSK Check Disk - check and repair disk problems.

CHKNTFS Check the NTFS file system.

CHOICE Accept keyboard input to a batch file.

CIPHER Encrypt or Decrypt files/folders.

CleanMgr Automated cleanup of Temp files, recycle bin.

CLEARMEM Clear memory leaks.

CLIP Copy STDIN to the Windows clipboard.

CLS Clear the screen.

CLUSTER Windows Clustering.

CMD Start a new CMD shell.

COLOR Change colors of the CMD window.

COMP Compare the contents of two files or sets of files.

COMPACT Compress files or folders on an NTFS partition.

COMPRESS Compress individual files on an NTFS partition.

CON2PRT Connect or disconnect a Printer.

CONVERT Convert a FAT drive to NTFS.

COPY Copy one or more files to another location.

CSCcmd Client-side caching (Offline Files).

CSVDE Import or Export Active Directory data.

d

DATE Display or set the date.

Dcomcnfg DCOM Configuration Utility.

DEFRAG Defragment hard drive.

DEL Delete one or more files.

DELPROF Delete NT user profiles.

DELTREE Delete a folder and all subfolders

DevCon Device Manager Command Line Utility.

DIR Display a list of files and folders.

DIRUSE Display disk usage.

DISKCOMP Compare the contents of two floppy disks.

DISKCOPY Copy the contents of one floppy disk to another.

DISKPART Disk Administration.

DNSSTAT DNS Statistics.

DOSKEY Edit command line, recall commands, and create macros.

DSADD Add user (computer, group..) to active directory.

DSQUERY List items in active directory.

DSMOD Modify user (computer, group..) in active directory.

e

CHO Display message on screen.

ENDLOCAL End localisation of environment changes in a batch file.

ERASE Delete one or more files.

EXIT Quit the current script/routine and set an errorlevel.

EXPAND Uncompress file.

EXTRACT Uncompress CAB files.

f

FC Compare two files.

FIND Search for a text string in a file.

FINDSTR Search for strings in files.

FOR /F Loop command: against a set of files.

FOR /F Loop command: against the results of another command.

FOR Loop command: all options Files, Directory, List.

FORFILES Batch process multiple files.

FORMAT Format a disk.

FREEDISK Check free disk space (in bytes).

FSUTIL File and Volume utilities.

FTP File Transfer Protocol.

FTYPE Display or modify file types used in file extension associations.

g

GLOBAL Display membership of global groups.

GOTO Direct a batch program to jump to a labelled line.

h

HELP Online Help.

i

IF Conditionally perform a command.

IFMEMBER Is the current user in an NT Workgroup.

IPCONFIG Configure IP.

k

KILL Remove a program from memory.

l

LABEL Edit a disk label.

LOCAL Display membership of local groups.

LOGEVENT Write text to the NT event viewer.

LOGOFF Log a user off

LOGTIME Log the date and time in a file

m

MAPISEND Send email from the command line.

MBSAcli Baseline Security Analyzer.

MEM Display memory usage.

MD Create new folders.

MKLINK Create a symbolic link (linkd).

MODE Configure a system device.

MORE Display output, one screen at a time.

MOUNTVOL Manage a volume mount point.

MOVE Move files from one folder to another.

MOVEUSER Move a user from one domain to another.

MSG Send a message.

MSIEXEC Microsoft Windows Installer.

MSINFO Windows NT diagnostics.

MSTSC Terminal Server Connection (Remote Desktop Protocol).

MUNGE Find and Replace text within file(s).

MV Copy in-use files.

n

NET Manage network resources.

NETDOM Domain Manager.

NETSH Configure network protocols.

NETSVC Command-line Service Controller.

NBTSTAT Display networking statistics (NetBIOS over TCP/IP).

NETSTAT Display networking statistics (TCP/IP).

NOW Display the current Date and Time.

NSLOOKUP Name server lookup.

NTBACKUP Backup folders to tape.

NTRIGHTS Edit user account rights.

p

PATH Display or set a search path for executable files.

PATHPING Trace route plus network latency and packet loss.

PAUSE Suspend processing of a batch file and display a message.

PERMS Show permissions for a user.

PERFMON Performance Monitor.

PING Test a network connection.

POPD Restore the previous value of the current directory saved by PUSHD.

PORTQRY Display the status of ports and services.

PRINT Print a text file.

PRNCNFG Display, configure or rename a printer.

PRNMNGR Add, delete, list printers set the default printer.

PROMPT Change the command prompt.

PsExec Execute process remotely.

PsFile Show files opened remotely.

PsGetSid Display the SID of a computer or a user

PsInfo List information about a system.

PsKill Kill processes by name or process ID.

PsList List detailed information about processes.

PsLoggedOn Who's logged on (locally or via resource sharing).

PsLogList Event log records.

PsPasswd Change account password.

PsService View and control services.

PsShutdown Shutdown or reboot a computer.

PsSuspend Suspend processes.

PUSHD Save and then change the current directory.

q

QGREP Search file(s) for lines that match a given pattern.

r

RASDIAL Manage RAS connections.

RASPHONE Manage RAS connections.

RECOVER Recover a damaged file from a defective disk..

REG Registry: Read, Set, Export, Delete keys and values.

REGEDIT Import or export registry settings.

REGSVR32 Register or unregister a DLL.

REGINI Change Registry Permissions.

REM Record comments (remarks) in a batch file.

REN Rename a file or files.

REPLACE Replace or update one file with another.

RD Delete folder(s).

RMTSHARE Share a folder or a printer.

ROBOCOPY Robust File and Folder Copy.

ROUTE Manipulate network routing tables.

RUNAS Execute a program under a different user account.

RUNDLL32 Run a DLL command (add/remove print connections).

s

SC Service Control.

SCHTASKS Create or Edit Scheduled Tasks.

SCLIST Display NT Services.

SET Display, set, or remove environment variables.

SETLOCAL Control the visibility of environment variables.

SETX Set environment variables permanently.

SHARE List or edit a file share or print share.

SHIFT Shift the position of replaceable parameters in a batch file.

SHORTCUT Create a windows shortcut (.LNK file).

SHOWGRPS List the NT Workgroups a user has joined.

SHOWMBRS List the Users who are members of a Workgroup.

SHUTDOWN Shutdown the computer.

SLEEP Wait for x seconds.

SOON Schedule a command to run in the near future.

SORT Sort input.

START Start a program or command in a separate window

SU Switch User.

SUBINACL Edit file and folder Permissions, Ownership and Domain

SUBST Associate a path with a drive letter.

SYSTEMINFO List system configuration.

t

TASKLIST List running applications and services.

TASKKILL Remove a running process from memory.

TIME Display or set the system time.

TIMEOUT Delay processing of a batch file.

TITLE Set the window title for a CMD.EXE session.

TLIST Task list with full path.

TOUCH Change file timestamps.

TRACERT Trace route to a remote host.

TREE Graphical display of folder structure.

TYPE Display the contents of a text file.

u

USRSTAT List domain usernames and last login.

v

VER Display version information.

VERIFY Verify that files have been saved.

VOL Display a disk label.

w

WHERE Locate and display files in a directory tree.

WHOAMI Output the current UserName and domain.

WINDIFF Compare the contents of two files or sets of files.

WINMSD Windows system diagnostics.

WINMSDP Windows system diagnostics II.

WMIC WM I Commands.

x

XCACLS Change file permissions.

XCOPY Copy files and folders.