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Operating System Functions
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Procedures 25
ChainTemporarily transfers control to an external programChDirChanges the current drive and directoryCommandReturns command line parameters used to call the programCurDirReturns the current directory/folderDirSearches for and returns information about an item in the filesystem; performs a directory searchattribEnvironReturns the value of a system environment variableExecTemporarily transfers execution to an external programExePathReturns the path of the running programFileAttrReturns information about an open file numberFileCopyCopies a fileFileDateTimeReturns the last modified date and time of a file as Date SerialFileExistsTests the existence of a fileFileFlushFlush application stream buffers to system, or system buffers to fileFileLenFinds the length of a file given its filenameFileSetEofSets the length of a open file bound to a file numberFreReturns the amount of free memory availableIsRedirectedChecks whether stdin or stdout is redirected to a fileKillDeletes a file from disk / storage media.MkDirMakes a folder/directory on the local file systemNameRenames a file on diskRmDirRemoves a folder/directory from the file systemRunTransfers execution to an external programSetEnvironSets a system environment variableShellSends a command to the system command interpreterSystemCloses all open files and ends the program