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4DOS
Developer(s)
JP Software
Stable release
8.00 (Open Source in 2009)
/ 7.50.130 (JPSoft in 2004)
Operating system
DOS, Windows
Type
Command shell
License
modified MIT License that does not qualify as open source by Open Source Initiative or Free Software Foundation standards
Website
4dos.info
4DOS is a command-line interpreter by JP Software, designed to replace the default command interpreter COMMAND.COM in Microsoft DOS and Windows. It was written by Rex C. Conn and Tom Rawson and first released in 1989. Compared to the default, it has a large number of enhancements.
4OS2 and 4NT are similar products that replace cmd.exe in OS/2 and Windows NT respectively.
4DOS is a command-line interpreter by JP Software, designed to replace the default command interpreter COMMAND.COM in Microsoft DOS and Windows. It was...
underscore ("_") by 4DOS etc. by convention (f.e. %_SECOND%), they are not under DR-DOS COMMAND.COM (f.e. %OS_VERSION%). In addition, 4DOS, 4OS2, 4NT, and...
Take Command Console (TCC), formerly known as 4DOS for Windows NT (4NT), is a command-line interpreter by JP Software, designed as a substitute for the...
runtime environment. In the late 1990s, JP Software's command line processor 4DOS was optionally available in a special runtime version to be linked with BATCOMP...
cmd.exe, but not in OS/2 and DOS), or _CWD, _CWDS, _CWP and _CWPS (under 4DOS, 4OS2, 4NT etc.) can be used in scripts, so that one need not start an external...
available as builtin commands in many command-line interpreters, such as 4DOS, Bash, C shell, tcsh, Hamilton C shell, KornShell, cmd.exe and PowerShell...
files for other environments may have different extensions, e.g., .btm in 4DOS, 4OS2 and 4NT related shells. The detailed handling of batch files has changed...
project include non-GPL software considered worthy of preservation, such as 4DOS, which is distributed under a modified MIT License. The FreeDOS project began...
Server applications/sites/virtual directories. Command line interpreters 4DOS and its graphical successor Take Command Console also feature a directory...
descriptions. Among the first to do so are the alternative command line processors 4DOS and NDOS with their internal DESCRIBE command and corresponding DESCRIPT...
metadata partly together with IPTC metadata. It also supports file comments (4DOS descript.ion). XnView can search files that have the same filename or data...
4OS2 is the OS/2 analogue of 4NT and 4DOS by JP Software, Inc. JP Software discontinued 4OS2, TCMDOS2 and TCMD16, making version 3.0, 2.0, 2.0 the final...
previously found in JP Software's line of extended command line processors 4DOS, 4OS2, and 4NT. Some computer virus writers have hoped to take advantage...
constructions. VBScript is one of the languages that can be accessed by the 4Dos, 4NT, and Take Command enhanced shells. SaxBasic and WWB are also very similar...
systems to run the aforementioned MS-DOS batch files. The console alternatives 4DOS, 4OS2, FreeDOS, Peter Norton's NDOS and 4NT / Take Command which add functionality...
(Wiley) Take Command version 18.00 documentation JP Software Take Command-4NT-4Dos-4OS/2 site, bulletin board Take Command 18.00 help "Norman - Antivirus &...
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