DMARC-Filter: OpenDMARC Filter v1.4.2 delorie.com 597DlsF33649034 Authentication-Results: delorie.com; dmarc=pass (p=none dis=none) header.from=cygwin.com Authentication-Results: delorie.com; spf=pass smtp.mailfrom=cygwin.com DKIM-Filter: OpenDKIM Filter v2.11.0 delorie.com 597DlsF33649034 Authentication-Results: delorie.com; dkim=pass (1024-bit key, unprotected) header.d=cygwin.com header.i=@cygwin.com header.a=rsa-sha256 header.s=default header.b=SA1HxZSR X-Recipient: archive-cygwin AT delorie DOT com DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org BABCD3858C2A DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=cygwin.com; s=default; t=1759844872; bh=GO7AWjDMpRcMvGm8hhNBBRjKREgerDTMPi9JyKjhjQU=; h=Date:Subject:To:References:In-Reply-To:List-Id:List-Unsubscribe: List-Archive:List-Post:List-Help:List-Subscribe:From:Reply-To: From; b=SA1HxZSRwVRah4LO1B8gYWb6DgP52co20LqyGBFkMCnZ3+XEt2Iw27q+mzc6CbELI mEQEjHfLdUcIJBUseCVZ3MyjdU75BqB4rm5rUU9u4ZJy7mvGkxnLtJjaFuE/jG3tcy kMiPJ+Vx9dwMkA90Z3OHaAukOe5gjIZdEvjdDdm8= X-Original-To: cygwin AT cygwin DOT com Delivered-To: cygwin AT cygwin DOT com DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org 70A4E3858D1E ARC-Filter: OpenARC Filter v1.0.0 sourceware.org 70A4E3858D1E ARC-Seal: i=1; a=rsa-sha256; d=sourceware.org; s=key; t=1759844813; cv=none; b=H2mnPfvGaFRVGKa8J4PZ87eUv30ZeXvxfjzM4cyrRgMe/5qA6y2uXrsDYSDMvxQyg6jJMffjhKX5Lw5/x1SbNEiBsb/e3VH/6GFyfMK3FrELz3VcED7tObHrUblV0ciot/K/vAikMExMEtxe66TOoWATeDoOi1zr5ZM8fhZ/810= ARC-Message-Signature: i=1; a=rsa-sha256; d=sourceware.org; s=key; t=1759844813; c=relaxed/simple; bh=CbHZlV2Z3b54Ra/WWxsfQol9oAl3Qj7bKpOx9OlJC1U=; h=DKIM-Signature:Message-ID:Date:MIME-Version:Subject:To:From; b=luwJdZmZnELElbXKgSBdBgESG5PIs72Ylwy9Z2bix/81y108hQcy0CpYJnpB7CtkBoDww0mH7UnyjltB1W49tFcbCX/YGOu07NltF1wM5KHkY0oxNh7LYkfScm4ryTq34K1Dgq8hmLkPCuuc4XD8goS/sfPl4M6FC0QtnxGYnw4= ARC-Authentication-Results: i=1; server2.sourceware.org DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 70A4E3858D1E X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1759844812; x=1760449612; h=content-transfer-encoding:in-reply-to:from:content-language :references:to:subject:user-agent:mime-version:date:message-id :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=I/Vk6WwgzTmn3P/RhCapMf9jlSQrSkEI0UBxd4yOGc0=; b=YOmZ2+Yvx+UQgJTPYYfmcnL213vof0xa/WXNUZP5XZq1KhA2Nsh1WsQFa7lqtb8zm0 Q64y1+/tg5sJL8bpG1EHkohBtU5wJYGQgv97T7o36zGV0G1ch2qrryTQmsHRLIkImA8V Dh7wcuu1VG9lhNMtrKfTnWX6w2LgfbtDyTLVYupsV3sdxJkCNcSoZFT7TvhlGZMwVkvF s1EenG3C6tUBQYYXrQWxOhVbsfzJ56hrEco7//A+C2+oQmlniAgrlwRA8XIkThav+xJE Rya7VaPMxRFBt/q5GtKw+bfzuyMrocMYAwkAH62j9sy/SQ4YhcLy0fwbS0kEcGuRCbYA 6RAw== X-Gm-Message-State: AOJu0YwFkJA24Y6R6ZMbt5RynZ6a27hCMHAH6gdKbkYo8thi4P/yUsCt JL9Jf/UsTVaxMFxkT8az5LYsIfHD+gb+mATleNZJ44GiX4FDuLyJE7qXeru8Ng== X-Gm-Gg: ASbGnct/zn5f3JxEIkg8+dnhQ/l2mTb4Hnf+LvbITdQTZ8Z82b8HLAMgf0tiPBKqUDB QXNuQZd/gLnoXmSQZH6QNj4ycrhAbfMznk/Y1L7InYIoDUlwGKEDxRgro1IptcqWPj7T+PcPe5V CRlsfF7TZo6/PbHOEkpIL3cjSpy8/3bLgDlauZkMdZolsICln7zxVpj6PHWfUEFzImuenXSfVTT QaMDUxu0YHH+BU7U3sx6SczOZ+J4FJGcJPJPnjOU3mWVnquGynqC/1jFlIY+XiV6/RN5yhMtHaW r/5Fat+vyEaOiZ9gJW4gllxKWnCR7shYz2aYC68NLkpZhs3hZ4MOrkcqCSKKczPsXFzQqSVRjkH d9S2anJkL0C0jPUnEiNfFuelkxbhJAhSuJzotX35u4nC64XI0hKyBV/ndYony86lxwJih5KBTbo GYPkVJsNP8/D/vxlSNX50EaqqX7uLdlI4= X-Google-Smtp-Source: AGHT+IEipJeu3NFIpTi3FNN9GsKGYtIt5K0scpWp/mM32xzOdSsTSmMK9EAg+sxhKHlpZSXOI5xztA== X-Received: by 2002:a05:6402:2110:b0:637:e2b8:605b with SMTP id 4fb4d7f45d1cf-639346c7b36mr17069493a12.5.1759844811704; Tue, 07 Oct 2025 06:46:51 -0700 (PDT) Message-ID: Date: Tue, 7 Oct 2025 15:46:50 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: C:\cygwin64\bin\python3 doesn't work from cmd To: cygwin AT cygwin DOT com References: Content-Language: en-US In-Reply-To: X-BeenThere: cygwin AT cygwin DOT com X-Mailman-Version: 2.1.30 Precedence: list List-Id: General Cygwin discussions and problem reports List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , From: Marco Atzeri via Cygwin Reply-To: Marco Atzeri Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Errors-To: cygwin-bounces~archive-cygwin=delorie DOT com AT cygwin DOT com Sender: "Cygwin" On 07/10/2025 14:17, gamer 191 via Cygwin wrote: > Hi, > I noticed that C:\cygwin64\bin\python3 doesn't work if I invoke it from > command prompt, likely because it doesn't have the .exe extension. It works > if I create a copy named python3.exe. > Kind regards, > gamer191 > Hi Gamer python3 is a Cygwin link managed by alternatives and NOT understood by command prompt. $ ls -l python3 lrwxrwxrwx 1 marco Administrators 25 May 21 2023 python3 -> /etc/alternatives/python3 $ alternatives --display python3 python3 - status is auto. link currently points to /usr/bin/python3.9 /usr/bin/python3.8 - priority 38 /usr/bin/python3.9 - priority 39 Current `best' version is /usr/bin/python3.9. From CMD you need to invoke directly the relative python3.9.exe c:\cygwin64\bin>dir /A /S python3*.* Volume in drive C is OS Volume Serial Number is 2232-4AA9 Directory of c:\cygwin64\bin 21/05/2023 20:47 64 python3 21/05/2023 20:48 78 python3-config 10/03/2023 00:34 3,420 python3.8-config 10/03/2023 00:34 9,747 python3.8.exe 08/03/2023 23:52 3,048 python3.9-config 08/03/2023 23:53 9,747 python3.9.exe 8 File(s) 38,879 bytes -- Problem reports: https://cygwin.com/problems.html FAQ: https://cygwin.com/faq/ Documentation: https://cygwin.com/docs.html Unsubscribe info: https://cygwin.com/ml/#unsubscribe-simple