Bala-Krishna

ZIP files(files with .zip extension) are well known file format used for file compression. After compression, file size  can be significantly reduced and multiple files and folder can be archive into a single zip file.  All zip files can be password protected to reduce risk of unauthorized access. Almost every operating system comes with built-in support of zip/unzip functionality. So you don’t need any third party application for archiving. If you are developer and you want to add zip/unzip feature in your application then you need to use available library in your application. PHP has native support for zip/unzip functionality. [...]

You may have noticed this error when you try to execute some commands are install new software on windows 7 or windows vista . You get this screen for the program require to run as administrator but you are actually in the normal user mode. This is spacial feature called User Account Control (UAC) that check whether this program has appropriate permission run. If program require to run as administrator user and you are not login as administrator then you may receive this error. There are two way to  fix this issue. 1) This is quick  way to turn off [...]

Did you even noticed sometime few website work on PC and some others not. Restarting your PC may solve this issue and all website open as usual. This problem may come due to invalid DNS cache and can be easily solve if you flush your system cache. I am showing you exactly how you can flush dns cache yourself in windows 7. The steps should be same for Windows Vista. Click on Windows7 start button and click on All Programs Click on Accessories then right click on Command Prompt and select Run as Administrator. You may receive following warning Do [...]

I usually format virus infected pen drive to ensure my windows system not infected with the infected pen drive.  Virus written for windows platform usually do not work within Linux platform so you can use infected pen drive without worry in the Linux system. Here i am showing you how you can format USB pen drive from graphical interface and command prompt. Use below mentioned command to format USB pen drive. Make sure USB pen is not mounted. If mounted Click on Places > Computer > Select USB pen > Right click > Select Unmount Volume to unmount volume USB [...]

The copy command is primary command available in Dos as well as Linux operating system for organizing and making copies of files. Working with dos is relatively faster than working in windows environment. However copy command have several drawback. You can not copy complete disk or a folder with files and sub-directory in folder with copy command. Moreover copy process will be halted if problem persist in copying files in destination location. Even windows explorer does not ask to retry or skip file in case of problem. Linux is better in this case, at-least Linux ask user to retry, halt [...]

Dos directory command display files and directories in the current directory. If? information will more than 24 rows then information will scroll and you can see only last 24 rows information. Dos directory command support various switches to filter and format results. Dir/p – Display directories and files in the current directory page wise. If? list is in more than 24 rows then a message “Press any key to continue” display to see list on next page. Dir/w – Display the files and directories in 5 coulmns. Directory will display in [] brackets to standout. Dir/l – Display files and [...]

Looking to quick view how many computers running in your local area network(LAN)? without using any software.? NT OS shipped with handy net command that is used to update, fix, or view the network or network settings. NET VIEW command displays a list of computers in a specified workgroup or the shared resources available on a specified computer.? There are several command available start with NET. I will cover all those commands in another post. Command: > Command to display list of computer on screen. C:> Net View Command to save list of computer in a file called pc_list.txt inside [...]