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CONTROL-H |
Deletes the last character typed. |
Other Special Characters: |
------------------------- |
RETURN: The return key signals PRIMOS that you have completed typing a |
command and that you are ready for PRIMOS to process the command. |
BREAK/CONTROL-P: Stops whatever is currently being processed in memory and |
will return PRIMOS to your control. To restart a process, |
type: |
START (abbreviated with S). |
CONTROL-S: Stops the scrolling of the output on your terminal for viewing. |
CONTROL-Q: Resumes the output scrolling on your terminal for inspection. |
SEMICOLON ';': The logical end of line character. The semicolon is used to |
enter more than one command on one line. |
Getting Help: |
------------- |
You can get on-line information about the available PRIMOS commands by using |
the 'HELP' command. The HELP system is keyword driven. That is, all |
information is stored under keywords that indicate the content of the help |
files. This is similar to VAX. Entering the single command 'HELP' will enter |
the HELP sub-system and will display an informative page of text. The next |
page displayed will provide you with a list of topics and their keywords. |
These topics include such items as PRIME, RAP, MAIL, and DOC. If you entered |
the MAIL keyword, you would be given information concerning the mail sub- |
system available to users on P simply enter PRIME to obtain information on all |
PRIMOS commands. You could then enter COPY to obtain information on that |
specific topic. |
Files And Directories: |
---------------------- |
The name of a file or sub-directory may have up to 32 characters. The |
filename may contain any of the following characters, with the only |
restriction being that the first character of the filename may not be a digit. |
Please note that BLANK spaces are NOT allowed ANYWHERE: |
A-Z .....alphabet |
0-9 .....numeric digits |
& .....ampersand |
# .....pound sign |
$ .....dollar sign |
- .....dash/minus sign |
* .....asterisk/star |
. .....period/dot |
/ .....slash/divide sign |
Naming Conventions: |
------------------- |
There are very few restrictions on the name that you may give a file. |
However, you should note that many of the compilers (language processors) and |
commands on the PRIME will make certain assumptions if you follow certain |
guidelines. File name suffixes help to identify the file contents with regard |
to the language the source code was written in and the contents of the file. |
For instance, if you wrote a PL/1 program and named the file containing the |
source code 'PROG1.PL1' (SEGmented loader) would take the binary file, link |
all the binary libraries that you specify and produce a file named |
'PROG1.SEG', which would contain the binary code necessary to execute the |
program. Some common filename suffixes are: F77, PAS, COBOL, PL1G, BASIC, |
FTN, CC, SPIT (source files). These all denote separate languages and get |
into more advanced programming on PRIMOS. (e.g. FTN=Fortran). |
BIN=the binary code produced by the compiler |
LIST=the program listing produced by the compiler |
SEG=the linked binary code produced by SEG |
Some files which do not use standard suffixes may instead use the filename |
prefixes to identify the contents of the file. Some common filename prefixes |
are: |
B Binary code produced by the compiler |
L source program Listing |
C Command files |
$ Temporary work files (e.g. T$0000) |
# Seg files |
Commands For File Handling: |
---------------------------- |
PRIMOS has several commands to control and access files and file contents. |
These commands can be used to list the contents of files and directories, and |
to copy, add, delete, edit, and print the contents of files. The capitalized |
letters of each are deleted. A LIST must be enclosed in parenthesis. |
Close arg ....Closes the file specified by 'arg'. 'Arg' could also be |
a list of PRIMOS file unit numbers, or the word 'ALL' which |
closes all open files and units. |
LIMITS ....Displays information about the login account, including |
information about resources allocated and used, grantor, and |
expiration date. |
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