queued sequential access method

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• Queued sequential access method — In IBM mainframe operating systems, a queued sequential access method (QSAM) is one of the access methods for files, or more properly data sets. QSAM files are unkeyed, with the records placed one after another, according to entry order. A… …   Wikipedia

• Basic sequential access method — In IBM mainframe operating systems, basic sequential access method (BSAM) is an access method to read and write data sets sequentially. BSAM is available on OS/360, OS/VS2, MVS, z/OS, and related high end operating systems.BSAM is used both for… …   Wikipedia

• queued indexed sequential access method — indeksuojamosios nuosekliosios tęstinės kreipties metodas statusas T sritis automatika atitikmenys: angl. queued indexed sequential access method vok. indiziertes sequentielles Warteschlangen Zugriffsverfahren, n rus. индексно последовательный… …   Automatikos terminų žodynas

• Access method — An access method is a function of a mainframe operating system that enables access to data on disk, tape or other external devices. They were introduced in 1963 in IBM OS/360 operating system. [http://researchweb.watson.ibm.com/journal/rd/255/ausl… …   Wikipedia

• Sequential access — In computer science, sequential access means that a group of elements (e.g. data in a memory array or a disk file or on a tape) is accessed in a predetermined, ordered sequence. Sequential access is sometimes the only way of accessing the data,… …   Wikipedia

• Direct access storage device — In mainframe computers and some minicomputers, a direct access storage device, or DASD (  /ˈdæ …   Wikipedia

• QSAM — Queued Sequential Access Method (Computing » General) …   Abbreviations dictionary

• QSAM — • Queued Sequential Access Method • Quasi Steady Acceleration Measurement NASA …   Acronyms

• QSAM —    Queued Sequential Access Method (IBM) …   IT glossary of terms, acronyms and abbreviations

• QSAM — comp. abbr. Queued Sequential Access Method abbr. Queued Sequential Access Method (SAM) comp. abbr. Queued Sequential Access Method …   United dictionary of abbreviations and acronyms

• List of file systems — The following lists identify, characterize and link to more thorough information on computer file systems.Many older operating systems support only their one native file system, which does not bear any name apart from the name of the operating… …   Wikipedia