How to change the auto disconnection settings

My win2k keeps losing network connection whit red x and then re-connect after click it

A: you can change autodisconnect time. For example, if you want to setup autodisconnect time to 30 minutes, do net config server /autodisconnect:30.

How to check status of my computer

Net statistics server command provides the statistics for a computer, such as computer start time, sessions, system errors, permission violations and file accessed.

How to convert FAT32 to NTFS

To convert FAT32 to NTFS, at command prompt, type convert drive: /fs:ntfs. You may be asked for enter volume label and schedule next reboot to convert it. If you get "Access denied" or "system error 5", you should logon as the administrator.

How to hide a shared folder

Add a $ sign at the end of the shared folder that will hide it from everyone.

How to hide a computer

Use net command, for example net config server /hidden:yes.

How to prevent a user to send a message using net send

To prevent a user to send a message using net send, you can disable Messenger service. To do that, go to Services (through Control Panel or services.msc) and stop the Messenger service.

How to print the command output into a file

To do this, use command > filename, for example, ipconfig /all >ipconfig.txt.

How to change process priorities

If there are several processes competing for processor resources and you wan to improve a particular software performance, you may re-set process priority. You can do this by opening Task Manager. Under Processes, right-click the name and select Set Priority. Make sure you logon as the same account as the process running. If you get "Access is denied" error when using Task Manager, you may try to use AT 9:00 /INTERACTIVE TASKMGR.

How to create a batch to stop a service that is dependent on other services.

When trying to create a batch file to stop a service that is dependent on other services,  you will be asked if you want to also stop other services. To keep from being prompted, you can add the switch y parameter to the net stop command.

How to sort programs in Start

To sort programs in Start, right click any program and select "sort by name"

How to stop the Messenger Service ads

The best way to do is install firewall and block UDP ports 135, 137, and 138; TCP ports 135, 139, and 445; and an ephemeral (that is, short-lived) port number greater than 1024.

How to tell who is logged on at a remote computer

To tell who is logged on at a remote computer, use Nbtstat command. You do nbtstat -a computername or nbtstat -A ip. The <03> will show the user name.