N 164 University Of Queensland Computer Centre Newsletter 10 Jun 74

User Manual: N-164 University of Queensland Computer Centre Newsletter 10 Jun 74

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--"

UNIVERSITY

OF

QUEENSLAND

Computer

Centre

NEWSLETTER

authorization:

Director

of

the

Computer

Centre

1

SYSTEM

PERFORMANCE

PERIOD

FOR

MAY

1974

USEFUL

TIME

GOOD

TIME

ON

TIME

NO

OF

CRASHES

TIME

BETWEEN

CRASHES

347

HRS

350

HRS

434

HRS

24

80%

81%

100'%

14.61

HRS

N-164

lOJUN74

Problems

associated

with

the

settling

in

of

new

disk

drives

and

new

communications hardware and

software

on

the

PDP-8

reduced

our

performance

during

the

month.

2

STAFF

CHANGES

John

Noad

(Senior

Systems

Analyst)

will

be

on

six

months

leave

of

absence

from

the

1st

July

to

further

his

studies.

"During

this

period,

Mr

Jim

Sokoll

(Senior

Engineer)

will

be

in

charge

of

the

Centre

at

any

time

the

Director

is

absent.

Mr

Doug

Lennox

will

be

in

charge

of

the

Systems

Software

Group and

Mr

Robert

Crago

will

be

in

charge

of

the

Applications

Programming Group.

3

NEW

VERSION

OF

LOGIN

A

new

version

of

LOGIN,

V54(ll4)-2

will

replace

V54(113)-2

on

12

JUNE

1974.

The change

will

affect

only

those

projects

using

Group

Accounting.

LOGIN

ensures

that

the

group code

begins

with

"X", and

suppresses

echoing

of

the

type

in.

1

N-164

lOJun74

4

THE

PROGRAM

LIBRARY

A

library

of

programs

of

general

interest

to

users

is

held

at

the

Computer

Centre.

The

functions

of

this

program

library

are

fully

described

in

the

Computer

Centre's

'General

Information

Manual' (MNT-l). The

following

changes have

been

made

in

accessing

the

library

catalogue

and

programs:

(a)

Due

to

access

problems,

the

library

catalogue

file

has

been

renamed

CATLOG.TXT

and

is

now

held

on

the

LIBRAR:

directory.

A copy

of

this

catalogue

may

be

inspected

in

the

client

room

or

printed

by

the

command:

.PRINT

LIBRAR:CATLOG.TXT

This

catalogue

includes

information

describing

access

of

all

programs

kept

in

the

library.

(b) With

the

introduction

of

the

File

Migration

System,

infrequent-

ly

accessed

programs

are

now

held

in

off-line

(archival)

storage.

The

DIRECT

command

can

be

used

to

determine

whether

a program

currently

resides

in

the

on-line

area.

~DIRECT

LANG:BCPL,UTILIT:CODE

BCPL

SHR

96

<155>

2S-JAN-74 DSKB:[S,102]

%NO

SUCH

FILES

AS

UTILIT:CODE.*[S.113]

The

BCPL

program

is

currently

on-line

and

may

be

run

immediately

by

the

command:

.RUN

LANG:BCPL

However,

the

CODE

program

is

held

on

off-line

storage

and

must be

retrieved

before

use.

The

following

command

will

cause

the

file

to

be queued

for

retrieval

to

the

users

own

area.

.RETRIEVE

UTILIT:CODE.SHR/P

DSKB:CODE.SHR[S,113]

RIP

After

the

file

has

been

retrieved

(some

12

to

24

hours

later)

it

may

be

run

by

the

command:

.RUN

CODE

(Note

that

the

IP

or

'preserve'

switch

is

necessary

on

the

RETRIEVE

command

and

its

omission

would

cause

the

error

message:

%PROTECTION

FAILURE

FOR

DSKB:CODE.SHR[S,113])

2

(

(

(c)

5

5.1

5.2

N-164

10Jun74

It

is

intended

that

all

files

listed

in

the

catalogue

will

be

available

by

Tuesday,

June

18.

Thereafter,

NOTICE.

TXT

will

describe

changes

in

the

status

of

the

program

library.

Users

with

enquiries

about

the

Library

or

wishing

to

submit

programs

should

contact

the

program

librarian

(Mr

Arthur

Hartwig)

at

the

Computer

Centre

(extension

6288).

MANUALS

FORTRAN-I0

Fortran-IO

manuals

are

now

available

from

the

Centre

at

a

price

of

$3.60.

These

manuals

are

available

by

kind

courtesy

of

La

Trobe

University

who

have

arranged

for

their

printing.

A number

of

minor

typographical

errors

exist

and

an

addendum

sheet

will

be

available

in

due

course.

It

should

be

noted,

however,

that

a number

of

the

routines

listed

in

table

15-3

(pp15-15

to

15-19)

are

concerned

with

plotting

and

have

been

superceded

by

other

routines

as

described

in

the

U.Q.

Plotting

Manual.

These

routines

are:

AXIS, LINE,

MKTBL,

NUMBER,

PLOT,

PLOTS,

SCALE,

SETABL,

SYMBOL,

WHERE.

The

subroutine

JOBI0

has

been

added

to

the

library.

It

is

used

as:

CALL

JOBIO

(IIN,IOUT)

It

returns

in

lIN

the

unit

number

of

the

job

input

device

and

in

lOUT

the

unit

number

of

the

job

output

device.

~mT-2

Using

the

U.Q. PDP-I0 System

This

manual

is

now

available

from

the

Centre

at

$1.50.

5.3

MNT-12

Absolute

Overlays

This

manual

is

now

available

from

the

Centre

at

$1.30.

* * * * * * * *

3