From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from lists.gentoo.org (pigeon.gentoo.org [208.92.234.80]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits)) (No client certificate requested) by finch.gentoo.org (Postfix) with ESMTPS id E0DEC158094 for ; Fri, 7 Oct 2022 19:10:53 +0000 (UTC) Received: from pigeon.gentoo.org (localhost [127.0.0.1]) by pigeon.gentoo.org (Postfix) with SMTP id A8F58E09DC; Fri, 7 Oct 2022 19:10:48 +0000 (UTC) Received: from rfvt.org.uk (rfvt.org.uk [37.187.119.221]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by pigeon.gentoo.org (Postfix) with ESMTPS id 51052E088F for ; Fri, 7 Oct 2022 19:10:48 +0000 (UTC) Received: from wylie.me.uk (localhost [127.0.0.1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange ECDHE (P-256) server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by rfvt.org.uk (Postfix) with ESMTPS id B38F182943 for ; Fri, 7 Oct 2022 20:10:46 +0100 (BST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=wylie.me.uk; s=mydkim005; t=1665169846; bh=jquMnOBM9N2Rcly0EqYbh5YTXJH1QZbNmfptq8NijQE=; h=From:Cc:Subject:In-Reply-To:Date:References; b=lopAYtmNiAZ9usQDc01CJxnsL5p3hnQSYg5iiMMdg5877j47qsFQodHAeAN4L/jF1 f8vPF0LgHESRmKI0mtlC2IPZHtsDz1kZDyJl+8tzhxdoeCqxFdb1VDbAFTzxpx/QLU DUG48k7U2L34PCr4ccTuNj9tTvqB6stTg9NH2OVvvc6QJ1RVCTBLcrTiyQK7P6q7lD J20varOgsn+nR7cXF4u/MlMyvrJd15dl425vx2ATBbQP7TGb0cTIXLdqzijqwl/BWW 4AHEKPEvPtdtTJ9VEbMHeXkJ4lMKfgzCxrat1iXbqD6XGDez5NxY6AUaFp0Hf2Usrj CVbKktYchTjtg== From: (Alan J. Wylie) Cc: gentoo-user@lists.gentoo.org Subject: Re: [gentoo-user] [RESOLVED] Change History of linux commands In-Reply-To: (n952162@web.de's message of "Fri, 7 Oct 2022 16:29:18 +0200") Date: Fri, 07 Oct 2022 19:27:36 +0100 References: <1814ed0b-976a-a552-bac0-9da5f8312ee1@web.de> User-Agent: Gnus/5.130012 (Ma Gnus v0.12) Emacs/27 (gnu/linux) Message-ID: <87czb378ll.fsf@wylie.me.uk> Precedence: bulk List-Post: List-Help: List-Unsubscribe: List-Subscribe: List-Id: Gentoo Linux mail X-BeenThere: gentoo-user@lists.gentoo.org Reply-to: gentoo-user@lists.gentoo.org X-Auto-Response-Suppress: DR, RN, NRN, OOF, AutoReply MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable X-Archives-Salt: fff6eecf-fc1b-41f2-8ed1-62cda058b613 X-Archives-Hash: 5ab983ef063dd26ba15297a6db92e69b (resending with correct From: address) n952162 writes: > Am 07.10.22 um 16:25 schrieb n952162: >> Can anybody tell me how I can look at the official change history of >> linux commands? >> >> For example, the test(1) command used to have a regular-expression >> parser built in.=C2=A0 No longer, and more surprising, there's no discus= sion >> of its disappearance on the internet; that I can find, at any rate. >> >> I'd to know when it disappeared and what discussions, by whom, preceded >> that. > Sorry, I'm thinking of the expr(1) command. The man pages (and source code) of old versions of UNIX can be found at https://minnie.tuhs.org/cgi-bin/utree.pl e.g. ("man 1 expr" from Jan 1992) https://minnie.tuhs.org/cgi-bin/utree.pl?file=3DV10/man/man1/expr.1 For more human readable output $ cd tmp $ cat > oldman.1 $ man ./oldman.1 --=20 Alan J. Wylie https://www.wylie.me= .uk/ Dance like no-one's watching. / Encrypt like everyone is. Security is inversely proportional to convenience