Hello folks, Visual Basic. net is an easy to learn language from Microsoft for the windows platform. One of the cool features of Visual Basic. net is the ability to whip. Batch Commands, an overview of the DOS, Windows and OS2 commandlines. Now that we have created our serial port object and opened the port, we now want to read from the serial port. Here are the basic read functions there are several. MSDN Magazine Issues and Downloads. Read the magazine online, download a formatted digital version of each issue, or grab sample code and apps. Main Menu Knowledgebase Serial COM Port Application. DoEvents Communication Methods Control. InvokeBeginInvoke Delegates Download Enumeration Event Driven. Support for packages has been discontinued on Sunfreeware. Please Visit our New Website UNIXPackages. com. UNIX packages provides full package support for all levels. Batch files and batch commandsDOS commands and their usage in batch files. Command. Function. Available in3rd PartyReplacement. DOSWin. 9x. NTOS2. ACINIUPDModify INI files TS onlyNNYN ANSI. SYSText attributes, cursor keyboard manipulation. YNNYANSI. COM DOS only TSRAPPENDAllows programs to open data files in specified directories as if they were in the current directory DOSYYYYDPATHARPDisplay or modify IP to Physical address translation tables used by ARPNYYY ASSOCAssociate a file extension with a file type, or list all associations. NNYN ATCommand line scheduler. NNYYJT, SCHTASKSATTRIBList manipulate file attributes. Visual Basic Serial Port Readline PythonYYYY AUTOFAILSuppress network connection error messages at startup. NNNY BACKUPBackup files to floppy disks requires RESTORE from the exact same DOS versionYYNYNTBACKUP, Several commercial image backup tools. BASICABasic interpreter for IBM PC DOSYNNNGWBASIC, QBASICBCDEDITSets properties in boot database to control boot loading Windows 7NNW7. N BOOTCFGEdit Windows boot settings in BOOT. INI XPNNXPN BREAKEnabledisable extended CtrlC checking 1. YYYY CACLSRead and set file access permissions. NNYNICACLS Windows 7, SECEDIT, SUBINACL, XCACLSCALLRun a batch file from within another batch file. YYYY CDShow or change the current directory same as CHDIRYYYY CDBURNWrite ISO images to CD Windows Server 2. Resource Kit toolNN2. K3. RKNImage Burn. CERTREQRequest certificates from a certification authority Windows Server 2. NNYN CERTUTILManage certificates Windows Server 2. NNYN CHANGEChange TS port mappings, install mode, or enabledisable TS logon. NNTSN CHCPDisplay or set the active Code Page. YYYYMODECHDIRShow or change the current directory same as CDYYYY CHGLOGONEnabledisable TS logon. NNYN CHGPORTChange TS port mappings. NNTSN CHGUSRChange TS install mode. NNTSN CHKDSKCheck a disk for file system errors or bad sectors. YYYY CHKNTFSDisplay or modify the checking of disk at boot time. NNYN CHOICEPrompt user for to choose option from list of choices. YNNPMChoice. CIPHERDisplay or alter the encryption of directories files on NTFS partitions. NNYN CLEANMGRAutomate cleanup of temporary files, IE cache, downloaded files recycle bin XPNNXPN CLSClear the screenwindow. YYYY CMD. EXECommand interpreter 3. NNYY CMDKEYManage stored user names and passwords Windows Server 2. NN2. K3. N COLORChange text and background color in console. NNYNKOLORCOMMAND. COMCommand interpreter 1. YYYY COMPCompare files. YYYYFC, Txt. Comp, WINDIFF GUICOMPACTDisplay or modify file compression on NTFS partitions. NNYN COMSPECCommand interpreter specification in master environment. YYYY CONTROLStart Control Panel or a Control Panel applet. NYYYRUNDLL3. 2 SHELL3. DLL,ControlRun. DLLCONVERTConvert a FAT volume to NTFSNNYN COPYCopy files. YYYYROBOCOPY, XCOPYCPROFILEClean profiles of wasted space Windows Server 2. NN2. K3. N CSCRIPTConsole mode interpreter for VBScriptJScript. NYYN CSVDEImportexport data from Active Directory in CSV format. NN2. KN CTTYRedirect all input and output to a file or serial, parallel or null device. YNNN DATEDisplay manipulate system date. YYYY DEBUGDebugger assembler. YYYY DEFRAGLocate and consolidate fragmented boot files, data files, and folders on local volumes. YYYN DELDelete one or more files. YYYY DELTREEDelete an entire folder including files and subfolders. YYNNRD SDEVCONCommand line Device Manager free Microsoft downloadNNYN DHCPLOCDiscover rogue DHCP servers. NNXPN DIANTZCompress and add files to new or existing. CAB filesequivalent of MAKECABNNYNMAKECABDIRList files directories. YYYY DISKCOMPCompare two floppy disks on a track by track basis. YYYY DISKCOPYCopy a floppy disks on a track by track basis. YYYY DISKPARTManipulate harddisk partitions and logical drives. NN2. KNAcronis Disk Director. DOSKEYEdit or recall command lines, or create command line macros. YYYY DPATHAllows programs to open data files in specified directories as if they were in the current directory Windows 7, OS2NNW7. YAPPENDDRIVERQUERYList installed drivers Windows XPNNXPN DSADDAdd objects to active directory. NN2. KN DSGETDisplay active directory object properties. NN2. KN DSMODModify objects in active directory. NN2. KN DSMOVEMove or rename objects in active directory. NN2. KN DSQUERYQuery active directory. NN2. KN DSRMRemove object from active directory. NN2. KN DVDBURNWrite ISO images to DVD Windows Server 2. Resource Kit toolNN2. K3. RKNImage Burn. ECHODisplay text on screen. YYYY EDITText editor in MS DOS 5 requires QBASICYYYNEDLINEDLINLine editor in MS DOS 4 YNNNEDIT, COPY CON, many programmers editors. ENDLOCALTerminate local environment. NNYY EPALElevated Priviliges Application Launcher free Microsoft downloadNNYNRUNAS,  CPAU,  PSEXEC,  Run. As Pro. ERASEDelete one or more files. YYYY EVENTCREATEWrite an event in one of the event logs. NNXPN EVENTQUERY. VBSList events and event properties. NNXPN EVENTTRIGGERSDisplay and configure Event Triggers that monitor and act upon the occurrence of NT Log Events of given criteria. NNXPN EXITTerminate a batch file or command prompt. YYYY EXPANDExpand compressed files or folders on NTFS volumes. NNYY EXPLOREROpen a folder in an Explorer window. NYYN EXE2. BINConvert. EXE files to binary format DOSYYYY FASTOPENOpen DOS programs faster by memorizing their locations on disk DOSYYYY FCCompare files. YYYYCOMP, Txt. Comp, WINDIFF GUIFDISKManipulate harddisk partitions and logical drives. YYNYDISKPART, Acronis Disk Director. FILEVERDisplay a program files version. NNYNLocated in the Support Tools folder on the Windows XP installation CD,  download XP SP2 Support Tools. FINDSearch files or standard output. YYYY FINDRAMDFind the RAM drive letter. NYNN FINDSTRSearch files or standard output with advanced options. NNYYEGREPFORLoop through a set of files or variables. YYYYFORFILES W2. K3FORCEDOSForce XP to start the specified program in the MS DOS subsystem. NNXPN FORFILESSelects and executes a command on a file or set of files. NN2. K3. NFORFORMATFormat disks intialize file systemYYYY FSUTILManage FAT and NTFS file systems XPNNXPN FTPFile Transfer Protocol client. NNYYTFTP, Fileaze. FTYPEDisplay or define the Open command for a file type. NNYN GETMACDisplay MAC address for local or remote network adapters XP and laterNNXPNMac. Addr. GETTYPEQueries the OS type, version or SP and returns it as an errorlevel Resource Kit toolNNYN GOTOJump to a label or subroutine. YYYY GPRESULTEnable display of extended character set in graphics mode. NNXPN GRAFTABLEnable display of extended character set in graphics mode. YYYY GWBASICBasic interpreter for MS DOS up to version 4. YNNNBASICA, QBASICHELPDisplay help text for a command. YYYY ICACLSDisplay, modify, backup, or restore ACLs for files and directories Windows 7NNW7. NCACLS, SECEDIT, SUBINACL, XCACLSIEXPRESSInstallation script packager XPNNXPN IFTest statement. YYYY IFCONFIGConfigure network adapters. NNNY INUSEReplace locked files on the next reboot Resource Kit toolNNYN IPCONFIGConfigure network adapters. NYYN JTCommand line scheduler for Windows 2. Resource Kit utilityNN2. KNAT, SCHTASKS, Fileaze. LABELShow or set a disks volume label. YYYY LFNFORTells the FOR command to use either 8. NYNN LHLoad TSRs in high memory same as LOADHIGHYYNN LOADHIGHLoad TSRs in high memory same as LHYYNN LOCKGrant 1. DOS programs direct access to a disk. NYNN LOGMANCommand line Performance Monitor management tool.