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词汇 DSCB
分类 英语词汇 英语翻译词典
释义

DSCB

英汉-汉英词典
abbr. Data Set Control Block 数据集控制块
词组 | 习惯用语
您要查找的是不是:
  • disc n. 圆盘,唱片(等于disk) vt. 灌唱片
  • dusk n. 黄昏,薄暮;幽暗,昏暗 adj. 微暗的
  • scab n. 痂;疤;疥癣;[美俚]恶棍 vi. 结痂;生疙瘩;破坏罢工
DSCB abbr. 数据集控制块(Data Set Control Block)

网络短语:
dscb 数据集控制块(Data Set Control Block); 数据集控制块英语(Data Set Control Block); 翻译(Data Set Control Block); 数据集控制块;
formatted DSCB 格式化数据集控制块
dscb processing 数据集控制块处理
DSCB DataSetControlBlock 数据集控制块
assembled DSCB 已汇编数据控制块
DSCB Data Set Control Block 数据集控制块
英语百科

Volume table of contents

(重定向自DSCB)

In the IBM mainframe storage architecture, Volume Table Of Contents, or VTOC, is a data structure that provides a way of locating the data sets that reside on a particular disk volume. It is the functional equivalent of the root directory of a mass storage device (floppy, jump drive, hard disk, etc.) on a PC or minicomputer, e.g. / on Unix or Linux, C:\ on MS-DOS or Microsoft Windows, can reside within the first 64K tracks on the volume, and lists the names of each data set on the volume as well as size, location, and permissions. Additionally, it contains an entry for every area of contiguous free space on the volume. The third record on the first track of the first cylinder of any volume of DASD (i.e. disk pack) is known as the volume label and must contain a pointer to the location of the VTOC. A VTOC is added to a disk when it is initialized using the Device Support Facilities utility program, ICKDSF. VTOC was originally designed for removable disk packs.

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