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Linux® on the Mainframe
book

Linux® on the Mainframe

by John Eilert, Maria Eisenhaendler, Dorothea Matthaeus, Ingolf Salm
June 2003
Intermediate to advanced content levelIntermediate to advanced
464 pages
10h 33m
English
Pearson
Content preview from Linux® on the Mainframe

14.2. Introduction to backup and restore

Companies establish backup and restore procedures against loss of data if:

  • Users unintentionally delete or damage data.[31]

    [31] Loss of data due to erroneously hitting a key is also known as a “finger check.” In an early version of the S/360 Time Sharing Option (TSO), the command for editing a file was the single character E, while the command for deleting a file was a D. A glance at your keyboard will tell you why this short command for deletion was soon abandoned for the three-character command DEL.

  • An operating system or application crashes.

  • Hardware fails (for example, a disk head crash).

Linux on the mainframe allows for the usual schemes, including tape libraries and dual copy facilities, that are ...

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ISBN: 0131014153Purchase book