@echo off
title BatchOS Version Alpha 1 [Build 09.02.2026]
color 27
set "USER="
echo Welcome to Alpha BatchOS!
goto LOGIN
:LOGIN
set /p USER=Login: 
if "%USER%"=="test" goto AUTH_TEST
:AUTH_OK
echo Welcome to BatchOS, %USER%!
goto COMMAND_LOOP
pause
:AUTH_TEST
echo Welcome, Tester!
echo This is BatchOS Alpha 1
echo BatchOS have 61 lines
echo BatchOS have 1698 characters
goto COMMAND_LOOP
pause
:COMMAND_LOOP
set "COMMAND="
set /p COMMAND=BatchOS#%USER%: 
>>"BatchOSHistory.txt" echo %DATE% , %TIME% : %USER% ' %COMMAND%
if "%COMMAND%"=="" goto COMMAND_LOOP
)
if /i "%COMMAND%"=="help" goto CMD_HELP
if /i "%COMMAND%"=="ls" goto CMD_LS
if /i "%COMMAND%"=="whoami" goto CMD_WHOAMI
if /i "%COMMAND%"=="history" goto CMD_HISTORY
if /i "%COMMAND%"=="exit" goto CMD_EXIT
echo Unknown command: '%COMMAND%'. Type 'help' to see available commands.
goto COMMAND_LOOP
:CMD_HELP
echo Available commands in BatchOS Alpha 1:
echo   help          - Display this help screen
echo   ls            - List directory contents
echo   whoami        - Show current user
echo   history       - Show command history
echo   exit          - Shut down BatchOS
goto COMMAND_LOOP
:CMD_LS
echo Directory: %CURDIR%
echo ----------------------------
dir /b /a-d "%CURDIR%" 2>nul || echo (no files)
echo ----------------------------
goto COMMAND_LOOP
:CMD_WHOAMI
echo Current user: %USER%
goto COMMAND_LOOP
:CMD_HISTORY
echo Command history for %USER%:
echo ----------------------------
type "BatchOSHistory.txt" 2>nul || echo No history yet.
echo ----------------------------
goto COMMAND_LOOP
:CMD_EXIT
echo Shutting down BatchOS...
echo Goodbye, %USER%!
pause
exit