'Indexed sequential file' presentation slideshows

File Systems

File Systems. Main Points. File layout Directory layout. WriteFile(). CreateFile(). ReadFile(). CloseHandle(). SetFilePointer(). The External View of the File Manager. Application Program. mount(). write(). open(). close(). read(). lseek(). File Mgr. Device Mgr. Memory Mgr.

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File Management

File Management. Chapter 12. File Management. File management system consists of system utility programs that run as privileged applications Input to applications is by means of a file Output is saved in a file for long-term storage. File System Properties. Long-term existence

931 views • 78 slides

File Management

File Management. Chapter 12. File Management. File management system is considered part of the operating system Input to applications is by means of a file Output is saved in a file for long-term storage. Terms Used with Files. Field Basic element of data Contains a single value

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File Management

13. File Management. WriteFile(). CreateFile(). ReadFile(). CloseHandle(). SetFilePointer(). Fig 13-2: The External View of the File Manager. Application Program. mount(). write(). open(). close(). read(). lseek(). File Mgr. Device Mgr. Memory Mgr. File Mgr. Device Mgr.

760 views • 64 slides

Operating Systems

Operating Systems. CST 352 File Systems. Topics. Introduction File System Considerations Naming Structure Types Access Operations. Topics. Directories Single Level Hierarchical Operations Implementation Layout Allocation Directories Free Space Management. Introduction.

736 views • 57 slides

651 views • 43 slides

File Management

File Management. 13. WriteFile(). CreateFile(). ReadFile(). CloseHandle(). SetFilePointer(). Fig 13-2: The External View of the File Manager. Application Program. mount(). write(). open(). close(). read(). lseek(). File Mgr. Device Mgr. Memory Mgr. File Mgr. Device Mgr.

470 views • 37 slides

File Management

458 views • 33 slides

File Management

File Management. 13. WriteFile(). CreateFile(). ReadFile(). CloseHandle(). SetFilePointer(). Fig 13-2: The External View of the File Manager. Application Program. mount(). write(). open(). close(). read(). lseek(). File Mgr. Device Mgr. Memory Mgr. File Mgr. Device Mgr.

413 views • 27 slides

FILE ORGANIZATION

FILE ORGANIZATION. TYPES OF FILE ORGANIZATION. Serial Sequential Indexed Sequential Direct Access /Random Access. Serial File Organization. A collection of records No particular sequence Cannot be used as master Used as temporary transaction file Records stored in the order received.

487 views • 17 slides