TECO-64

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Enhanced and portable version of TECO text editor in C.

TECO-64 최신버젼 다운로드

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## TECO-64 - README

### Description

TECO-64 is:
- A character-oriented editor, primarily used for manipulating text files.
- A pipeline editor that can manipulate files of arbitrary size.
- Capable of editing binary files.
- Portable, because it is not bound to a system-specific GUI or other
system-specific features.
- Very small compared with other editors.
- Easy to use for simple editing tasks.
- A programming language that is powerful enough for complex tasks.

### History

TECO (Text Editor and Corrector) was originally developed on the PDP-1 in
1962 by Dan Murphy, and later ported to many other operating systems,
especially those using DEC (Digital Equipment Corporation) hardware,
notably VMS, RSTS/E, TOPS, RSX-11, and RT-11. All of these implementations
were written in hardware-specific assembler language.

TECO C was a version created by Pete Siemsen in 1983, and subsequently developed
by him and many others, most recently by Tom Almy and Blake McBride. This
implementation made it possible for TECO to be ported to non-DEC operating
systems such as Linux and Windows.

And although six decades old, it remains in use today.

### Version Numbers

When TECO C was created, other TECOs were still in development on DEC operating
systems.
Each of these TECOs had their own version numbers, which could be used in
macros or indirect command files to determine which TECO features were available.
This allowed users to write code that could be used in multiple operating
environments.
For example, a user could create a macro that would only use a given command
if it was determined that the version of TECO in use supported that feature.

In order to avoid any confusion with other TECOs, the baseline version of
TECO C was set to 100, and incremented as subsequent versions were released.
The highest version of TECO C is currently 147.

For similar reasons, a baseline version number of 200 was chosen for
TECO-64. This is the major version. A minor version and patch version
also exist, per *GitHub*'s guidelines. Values for all three can be
accessed via the EO command, although only the major version is likely
to be significant for TECO macros.

### Implementation

TECO-64 is written in C, for maximum portability, and was inspired by
Pete Siemsen's TECO C. Its command set is backwards-compatible with TECO C,
as well as other TECOs. TECO-64 was written from scratch to take full
advantage of current features of the C language and run-time library.

### System Requirements

Version 200 of TECO-64 was primarily developed on Linux, using the GNU
toolchain. It has been also compiled and run on Windows and MacOS.

TECO can be used in a command-line mode, as well as a display mode
using *ncurses*.

The commands that implement backwards paging and searching require virtual
memory support, but TECO can be used as a simple pipeline editor on systems
without virtual memory.

Doxygen must be installed in order to use the *doc* target.

PC-lint must be installed in order to use the *lint* and *lobs* targets.

### Getting Started

TECO is intended to be usable in a variety of operating environments.
As the methods for building and starting TECO vary from environment to
environment, the specifics for getting set up are described in the
following separate sections.

- [Linux Setup](doc/linux.md)

- [Windows Setup](doc/windows.md)

- [MacOS Setup](doc/macos.md)

- [OpenVMS Setup](doc/openvms.md)

### Additional Documentation

[TECO-64 Reference Manual](doc/TECO.md) - this is a work in progress
that has been adapted, corrected, and updated from a user's guide and language
reference manual published in May 1990 by Digital Equipment Corporation,
*Standard TECO Text Editor and Corrector for the VAX, PDP-11, PDP-10, and PDP-8*.

### Future Directions

The following may be implemented in future versions of TECO.

- Support for compilers other than *gcc*.
- Support for other operating systems, especially OpenVMS.
- An alternative buffer handling module (e.g., a rope buffer).
- An alternative paging module (to allow backward paging when no virtual memory
is available).

### Contact Information

Any questions or comments, including bug reports and feature requests, may be
sent to NowwithTreble@gmail.com.

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