INTERNATIONAL ISO/IEC 1001 STANDARD First edition 2012-08-01 Information technology File structure and labelling of magnetic tapes for information interchange Technologies de I'information-Structure des fichiers et etiquetage des bandesmagnetiquespourI'échanged'information Reference number ISO/IEC 1001:2012(E) IEC ISO/IEC2012 ISO/IEC1001:2012(E) COPYRIGHTPROTECTEDDOCUMENT @ISO/IEC2012 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from either iSO at the address below or IsO's member body in the country of the requester. ISO copyright office Case postale56.CH-1211Geneva20 Tel. + 41 22 749 01 11 Fax + 41 22 749 09 47 E-mail [email protected] Web www.iso.org Published in Switzerland ISO/IEC1001:2012(E) Contents Page Foreword 1 Scope, 2 Conformance.... 2.1 Conformance ofa magnetic tape volume set... 2.2 Conformanceofan information processing system. 3 Normativereferences. 4 Terms anddefinitions 5 Notation 6 Arrangement of labels and files.... 6.1 Arrangement of data on a volume ... 6.2 Arrangement of label groups .. 6.2.1 Labels 6.2.2 Labelsets. 6.2.3 Label groups... 6.3 Arrangement of file sections..... 6.3.1 File section... 6.3.2 Labelled-Sequence. 6.4 6.5 Arrangement of files and file sets.... 6.5.1 6.5.2 Filesets 6.6 Structure of a volume set.. 7 File structure for data interchange.. 7.1 File structure for data interchange for a-characters.. 7.1.1 Blocks... 7.1.2 Records 7.1.3 Files.. 7.2 File structure for data interchange for e-characters.... 10 7.2.1 Blocks.. 10 7.2.2 Records 10 7.2.3 Files... 8 Format and contents of thelabels and labelsets. 8.1 Format and contents of the labels and label sets for a-characters 11 8.1.1 Character set and coding .... 11 8.1.2 Justification of characters.... 8.1.3 VolumeHeaderLabelSet (VOL1toVOL9) 8.1.4 InstallationVolumeLabelSet (UVL1toUVL9) 14 8.1.5 File Header Label Set (HDR1 to HDR9).. 15 8.1.6 User File Header Labei Set (UHL) .... 20 8.1.7 End of Volume Label Set (Eov1 to Eov9) ... 8.1.8 End ofFileLabel Set (EOF1toEOF9) 8.1.9 User File Trailer Label Set (UTL)....... 25 8.2 Formatand contents ofthe labels and label sets for e-characters 8.2.1 Character set and coding... 26 8.2.2 Justification of characters.... 26 8.2.3 Volume Header Label Set (VOL1) 26 8.2.4 File Header Label Set (HDR1 to HDR2). 8.2.5 UserFile Header Label Set (UHL1 to UHL8) .31 riahtsreserved