Accessing Files Programmer's Guide (32650-90885)

Index
Index 233
multi access, 153, 156, 157
multi access, global, 156
names, 14, 73
nonshareable, 15
opening, 91, 94, 102
output, 14
overrides, 55
parsing designators, 84
passed, 79, 81
passing, 79
peripheral devices, 14, 15, 56
permanent, 106, 188
predefined, 75
qualified, 74
random access, 121
reading from, 129, 136
record structure, 14, 18
records, 14
referencing, 73
reserved codes, 64, 69
rewinding, 115
RIO, 59
saving, 89
searchign directories, 89
security, 159, 184, 186
security, ACD, 159, 178
security, traditional, 179, 186
semi-exclusive access, 155
sequential access, 120
shared, 15, 153, 156, 157
sharing, hazards of, 157
simultaneous access, 153
specifying codes, 64, 69
specifying type, 59, 60
spooled (devices), 15
standard, 59
suspending and restoring security, 186
system hierarchy of overrides, 92
system-defined, 72, 77, 81, 97
tape, 100, 102, 107
temporary, 79, 193
types, 15
updating, 137, 139
user-defined, 72, 73, 76
validating designators, 84
writing to, 119, 128
FINFO function, 194
formats
comparison of, 58
fixed-length, 56
records, 56, 58
storage, 70
undefined-length, 56, 57, 58
variable-length, 56, 57
function FINFO, 194
G
getting file information, 187
global multi access, 156
group security, 183
H
half-word boundaries
files, 61
hazards of file sharing, 157
hierarchy
overrides, 55
I
I/O performance, increasing, 132
idx endNOWAIT I/O, 47
increasing I/O performance, 132
input
files, 14
NOWAIT I/O, 18
sets, 78, 79
standard, 77
interactive files, 79, 197
interface, file system, 13
intrinsics
ACDs, and, 161, 162
data transfer, 111
J
jobs
devices files and, 15
K
KSAM files, 59
L
labeled tape, 102, 126
reading from, 135
limitations
file designators, 73
file names, 73
NOWAIT I/O, 18, 19
line printer files
default record size, 62
listing
ACDs, 164
files, 90