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=== SVARCOM === |
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SvarCOM is the SvarDOS command line interpreter, known usually under the name |
"COMMAND.COM". It is designed and maintained by Mateusz Viste, and distributed |
under the terms of the MIT license. |
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SvarCOM is minimalist and I'd like to keep it that way. It aims to be |
functionaly equivalent to COMMAND.COM from MS-DOS 5.x/6.x. No LFN support. |
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SvarCOM's resident footprint is under 2 KiB. |
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Translation strings are stored in the file SVARCOM.LNG, which should be |
placed in a directory pointed at by %NLSPATH% for SvarCOM to be able to output |
messages in non-english languages. SvarCOM's language is controlled by the |
%LANG% environment variable. |
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Latest version available here: http://svardos.org/svarcom |
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=== INTERNAL COMMANDS ======================================================== |
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SvarCOM implements the following internal commands. For help on each command, |
run it with a "/?" argument. |
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BREAK - sets or clears extended CTRL+C checking |
CALL - calls a batch file from within another batch file |
CD/CHDIR - displays the name of or changes the current directory |
CHCP - displays or sets the active code page number |
CLS - clears the screen |
COPY - copies one or more files to another location |
DATE - displays or sets the system date |
DEL/ERASE - deletes one or more files |
DIR - displays a list of files and subdirectories in a directory |
ECHO - displays messages, or turns command-echoing on or off |
EXIT - quits the command.com program (command interpreter) |
FOR - runs a specified command for each element in a list |
GOTO - directs batch processing to a labelled line in the batch program |
IF - performs conditional processing in batch programs |
LN - adds, deletes and displays global executable links |
MD/MKDIR - creates a directory |
PATH - displays or sets a search path for executable files |
PAUSE - suspends processing of a batch program |
PROMPT - changes the DOS command prompt |
RD/RMDIR - removes (deletes) a directory |
REM - records comments (remarks) in a batch file |
REN/RENAME - renames one or more files or directories |
SET - displays, sets or removes DOS environment variables |
SHIFT - changes the position of arguments in a batch file |
TIME - displays or sets the system time |
TRUENAME - returns a fully qualified path or filename |
TYPE - displays the contents of a text file |
VER - displays the DOS kernel and SvarCOM shell versions |
VERIFY - tells DOS whether to verify that files are written correctly |
VOL - displays the disk volume label and serial number |
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=== INSTALLATION ============================================================= |
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Installing SvarCOM requires to either copy it to the root of your boot drive |
replacing your current COMMAND.COM, or adding a SHELL directive to your |
CONFIG.SYS file to instruct DOS that it should load SvarCOM as its shell, eg.: |
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SHELL=C:\SVARCOM\COMMAND.COM /P |
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Some DOSes support a SHELLHIGH directive that loads the shell in high memory. |
It is pointless to use it to load SvarCOM. SvarCOM will load its resident part |
as high as possible on its own, enforcing this through SHELLHIGH could even |
be harmful since SvarCOM wouldn't be able to relocate to the highest address |
as it would be allocated by SHELLHIGH already. |
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SvarCOM supports multiple languages. To enable SvarCOM using them it is |
necessary to define an NLSPATH environment variable that would point to a |
directory and copy the SVARCOM.LNG file there. Once done, SvarCOM will try |
loading whatever language is being set up in the LANG environment variable. |
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=== LICENSE ================================================================== |
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SvarCOM is published under the terms of the MIT license. |
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Copyright (C) 2021-2024 Mateusz Viste |
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Permission is hereby granted, free of charge, to any person obtaining a copy |
of this software and associated documentation files (the "Software"), to deal |
in the Software without restriction, including without limitation the rights |
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
copies of the Software, and to permit persons to whom the Software is |
furnished to do so, subject to the following conditions: |
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The above copyright notice and this permission notice shall be included in all |
copies or substantial portions of the Software. |
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
SOFTWARE. |
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====================================================================== EOF === |