OS PPT Editable

7/29/2019 OS PPT Editable

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Operating System Tricks

Presented by,Sudhanshu JainCS(B) 3rd year


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How to Activate Windows


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Go to Start -> All Programs ->Accessories-> Right Click on

Command Prompt-> Run as administrator


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Then type slmgr -rearm


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If command is sucessfull then this Dialog Box will open

After this Restart your Computer


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Your pc will Activate for 30 days.

After 30 days run this command again.

This command work for 3 time after every fresh OS

installation.


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How to make Pen drive Bootable


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Open Command Prompt

Type diskpart

It will ask For Administrator Permission

Press yes


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Type list disk

Then type select disk1

Then type clean

Then type create partition primary


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Then type Format FS=NTFS Quick

Then type Active (compulsory)


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The pen drive is now active to contain OS

Now you just have to copy or extract your OS file to pendrive

Restart your PCIn Boot Priority Menu make removal media in 1st option

Your Pen drive is ready to boot your system


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How to hide a disk


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Open Command Prompt

Type diskpart

It will ask For Administrator Permission

Press yes


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Then type select disk 0

Then type list volume

Now select the volume you want to hide.


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For ex. select volume 2

Then type remove letter of the volume here we type

remove letter e

A successful message will come

Now when you type list disk volume 2 will be marked star


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Now when you open my computer disk 2 will

be hidden.

h hid h di k i


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Now when you want to unhide the disk again

Type the same command as you used in hiding the disk

Then select the volume 2

And type

assign letter eYou can assign any other letter also if available

d h l ll b


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And now when you open my computer volume 2 will be

unhide.

And so you can hide and unhide volume when ever you

want.


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ow to break root user password inLinux , fedora , Ubanto

f d h


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As many time we find there is no access to pc

administrative power or simply we are not able to log

on in Linux Os the only thing left is to break the root

user password(root user = administrator)in Linux.

Now the thing you have to do is just restart your any keep pressing any key (I personally suggest


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Now the thing you have to do is just restart your any keep pressing any key (I personally suggest

you to press space bar).

Now a window like this will open

Press e

li


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Now come to bootable file of Linux that is vmlinuz which is 2nd option here as shown.

now again press e

N thi i d ill


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Now this window will open

Now here press space and then 1 and then press enter


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Now this window will again open now you have to press bNow this window will open here you can see you are login as root user here you can

enter new password for root user(this password will not be visible)

Now Reboot user pc by reboot command

A i t ti i d h Li ill t t


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An interesting window how your Linux will restart

After restarting login as root user and enter the new

password you have enter and now your login is successful.

And so you can break and change the password of root user


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Thank You..

Hope You Have Enjoyed..

This PPT is available at my Blogsudnetworks.blogspot.in

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