What does this research mean for the field?

Windows command-line arguments are passed as a single string to CreateProcess and subsequently parsed by the receiver according to specific framework rules, such as CommandLineToArgvW, CRT, and .NET. Novelty: ClaimNovelty.SYNTHESIS. Consensus alignment: ConsensusAlignment.NEUTRAL.

What question did this study set out to answer?

Analyze the mechanisms governing how Windows passes command-line arguments as unified strings and examine how downstream runtimes parse them.

September 8, 2026Open Access

Why Arguments Break — The Rules of Windows Command-Line Arguments (archived 2026-09-07)

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Analyze the mechanisms governing how Windows passes command-line arguments as unified strings and examine how downstream runtimes parse them.
Evaluated the single-string command parameter architecture used by the Windows CreateProcess API.
Analyzed parsing and string-splitting rules implemented across CommandLineToArgvW, the C runtime (CRT), and .NET ArgumentList.
Constructed robust argument formatting and escaping routines in C++.
Windows delegates all argument splitting entirely to the receiving program by passing arguments as a single concatenated string.
Parsing rules for quotation marks and backslashes diverge significantly between Win32 CommandLineToArgvW, CRT libraries, and .NET runtimes.
Adhering to explicit quoting and backslash-escaping specifications eliminates runtime argument truncation and unexpected command breakage.

Implication

Technical review demonstrates command-line parsing discrepancies across Windows runtimes, highlighting necessary conventions for reliable argument construction in C++.

Abstract

Windows passes CreateProcess a single string that the receiver splits. Covers the CommandLineToArgvW, CRT, and .NET rules, ArgumentList, and building it in C++. Archived version of https://comcomponent.com/en/blog/windows-command-line-argument-rules/, as published on 2026-09-07. The live article is maintained and may change after this date. First published 2026-09-02.

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Cite This Study

Go Komura (2026) studied this question.

synapsesocial.com/papers/6a9fd7d558e84d0ff5b46dba https://doi.org/10.5281/zenodo.22640284

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Implication

Technical review demonstrates command-line parsing discrepancies across Windows runtimes, highlighting necessary conventions for reliable argument construction in C++.

Why Arguments Break — The Rules of Windows Command-Line Arguments (archived 2026-09-07)

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Implication

Abstract

Discussion

Cite This Study

Why Arguments Break — The Rules of Windows Command-Line Arguments (archived 2026-09-07)

Key Points

Implication

Abstract

Discussion

Cite This Study

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