Internal Variables Listed by Category
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Internal Variables Listed by Category |
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Operating system and software status
The list below gives a one-line description of all Internal Variables and a cross reference which selects a separate help topic on that variable. Many variables are simple enough that the one-line description is probably sufficient, but in most cases you should check for any additional information in the cross referenced explanation if you are not already familiar with a variable. You can also obtain help on any function with a HELP variablename command at the prompt. See the HELP command for details
AC line status |
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Alt key depressed |
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Battery status |
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Remaining battery life, seconds |
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Remaining battery life, % |
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CapsLock on: 1, otherwise 0 |
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CPU type |
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CPU time usage (percent) |
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Ctrl key depressed: 1, otherwise 0 |
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A keyboard input character is waiting: 1, otherwise 0 |
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left Alt key depressed: 1, otherwise 0 |
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left Ctrl key depressed: 1, otherwise 0 |
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left Shift key depressed: 1, otherwise 0 |
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NumLock on:r 1, otherwise 0 |
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right Alt key depressed: 1, otherwise 0 |
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right Ctrl key depressed: 1, otherwise 0 |
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right Shift key depressed: 1, otherwise 0 |
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ScrollLock on: 1, otherwise 0 |
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Shift key depressed: 1, otherwise 0 |
Operating system and software status
Last argument of previous command |
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1 if administrator; else 0 |
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ANSI X3.64 status |
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Boot drive letter, without a colon |
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Current code page number |
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Current country code |
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Operating system type |
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Operating system version |
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Host name of local computer. |
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Windows hardware profile if defined |
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Milliseconds since last user input |
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IP address(es) of local computer. |
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Windows build number |
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Running inside Take Command: 1; else 0 |
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Running inside VirtualPC: 1; else 0 |
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Running inside VMWare: 1; else 0 |
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Windows directory pathname |
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Title of foreground window. |
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Name of local computer |
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Windows system directory pathname |
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Milliseconds since Windows was started |
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Current window title |
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Name of current user. |
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Windows version number |
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Running in Windows 64: 1; else 0 |
TCC version |
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Batch nesting level |
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Line number in current batch file. |
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Full path and filename of current batch file. |
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Type of the current batch file |
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Batch debugger active: 1, otherwise 0 |
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Build number |
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Process ID of most recent child process |
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Current command line |
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Command processor name |
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Full pathname of command processor |
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Process ID of most recent detached process |
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Name of the description file. |
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Echo status |
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Insert mode: 1; else 0 |
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TCC exit code |
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Current expansion mode (SETDOS /X) |
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Current history log file name |
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IFTP session active: 1, otherwise 0 |
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IFTPS session active: 1, otherwise 0 |
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Full pathname of the current INI file |
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Current log file name |
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Name of the parent process |
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The TCC process ID (numeric) |
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Current process is running in a pipe: 1, otherwise 0 |
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Process ID of parent process |
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Registered user name |
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Shell level |
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Shell level (old style) |
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Pathname of shortcut that started this process |
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SHRALIAS is loaded: 1, otherwise 0 |
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Startup directory of current shell. |
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Process ID of most recent STARTed process. |
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STDIN redirected: 0, otherwise 1 |
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STDOUT redirected: 0, otherwise 1 |
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STDERR redirected: 0, otherwise 1 |
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Current filter in List view window |
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Selected folder in Folders window |
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Current process is a transient shell: 1, otherwise 0 |
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TC uses unicode for redirected output: 1, otherwise 0 |
Background color at cursor position |
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Current text cursor shape in insert mode |
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Current text cursor shape in overstrike mode |
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Current cursor column |
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Virtual screen width |
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Foreground color at cursor position |
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Number of monitors |
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Current cursor row |
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Screen height |
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Virtual screen horizontal size |
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Virtual screen vertical size |
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Physical screen horizontal size in pixels |
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Physical screen vertical size in pixels |
OpenAFS workstation cell |
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List of CD-ROM drives |
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Current drive and directory |
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Current drive and directory with trailing \ |
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Current directory |
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Current directory with trailing \ |
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Current drive |
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List of all available drives |
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List of DVD drives |
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List of hard (fixed) drives |
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Last valid drive |
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OpenAFS service installed: 1, otherwise 0 |
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List of ready (accessible) drives |
Current date |
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Current date and time, yyyyMMddhhmmss |
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Current day of the month |
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Current day of the week, English, short |
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Current day of the week, English, full |
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Current day of the week as an integer |
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Current day of the year |
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Daylight savings time: 1, else 0 |
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Current hour |
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Current day of the week, local language, short |
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Current day of the week, local language, full |
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Current month name, local language, short |
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Current month name, local language, full |
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Current date in ISO 9601 format |
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Current minute |
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Current month of the year as integer |
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Current month of the year, English, full |
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Current second |
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Name of time zone for standard time |
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Offset in minutes from UTC for standard time |
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Current time |
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Name of current time zone |
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Offset in minutes from UTC for current time zone |
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Current UTC time |
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Current UTC date |
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Current UTC date and time |
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Current UTC hour |
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Current UTC date in ISO format |
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Current UTC minute |
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Current UTC second |
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Current year |
Exit code, last external program |
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Exit code, last internal command |
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Exit code, last external program |
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Last @EXECSTR return code |
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Last FTP error code |
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Latest Windows error code |