{"id":101398,"date":"2021-09-24T22:22:40","date_gmt":"2021-09-24T20:22:40","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/vypusk-nabora-bazovyh-sistemnyh-utilit-gnu-coreutils-9-0"},"modified":"2021-09-24T22:22:40","modified_gmt":"2021-09-24T20:22:40","slug":"vypusk-nabora-bazovyh-sistemnyh-utilit-gnu-coreutils-9-0","status":"publish","type":"post","link":"https:\/\/prohoster.info\/da\/blog\/news\/vypusk-nabora-bazovyh-sistemnyh-utilit-gnu-coreutils-9-0","title":{"rendered":"Udgivelsen af basis s\u00e6t af systemv\u00e6rkt\u00f8jer GNU Coreutils 9.0","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Den stabile version af GNU Coreutils 9.0 er tilg\u00e6ngelig, som inkluderer programmer som sort, cat, chmod, chown, chroot, cp, date, dd, echo, hostname, id, ln, ls osv. Den betydelige versionsskift skyldes \u00e6ndringer i adf\u00e6rden for nogle af v\u00e6rkt\u00f8jerne.    <\/p>\n<p>N\u00f8gle\u00e6ndringer:  <\/p>\n<ul>\n<li class=\"l\"> I v\u00e6rkt\u00f8jerne cp og install bruges som standard copy-on-write-tilstand ved kopiering (ved brug af ioctl ficlone til at dele data mellem flere filer i stedet for at skabe en fuld klon).\n<li class=\"l\"> I v\u00e6rkt\u00f8jerne cp, install og mv anvendes de mekanismer, som systemet stiller til r\u00e5dighed, til at accelerere kopieringsoperationer (ved brug af systemopkaldet copy_file_range for at udf\u00f8re kopiering udelukkende p\u00e5 kernesiden uden at overf\u00f8re data til brugerprocessens hukommelse).\n<li class=\"l\"> I v\u00e6rkt\u00f8jerne cp, install og mv anvendes et simplere og mere b\u00e6rbart opkald lseek+SEEK_HOLE til at identificere huller i filer i stedet for ioctl+FS_IOC_FIEMAP.\n<li class=\"l\"> I v\u00e6rkt\u00f8jet wc anvendes AVX2-instruktioner for at accelerere t\u00e6llingen af linjer. Ved brug af denneoptimering er hastigheden af wc steget med 5 gange.\n<li class=\"l\"> Til cksum-v\u00e6rkt\u00f8jet er der tilf\u00f8jet en mulighed &#171;-a&#187; (&#8212;algorithm) til valg af hash-algoritme. For at fremskynde beregningen af kontrolsummer bruger cksum-v\u00e6rkt\u00f8jet pclmul-instruktioner i &#171;&#8212;algorithm=crc&#187;-tilstand, hvilket har gjort det muligt at fremskynde beregningerne op til 8 gange. P\u00e5 systemer uden underst\u00f8ttelse af pclmul er crc-tilstanden fremskyndet 4 gange. De andre hash-algoritmer (sum, md5sum, b2sum, sha*sum, sm3 osv.) er implementeret ved at kalde funktioner fra libcrypto.\n<li class=\"l\"> I v\u00e6rkt\u00f8jerne md5sum, cksum, sha*sum og b2sum er det tilladt at have en CRLF-sekvens i slutningen af linjen med kontrolsummen ved brug af flaget &#171;&#8212;check&#187;. I &#171;cksum &#8212;check&#187; er der sikret automatisk detektion af den anvendte hash-algoritme.\n<li class=\"l\"> I ls-v\u00e6rkt\u00f8jet er der tilf\u00f8jet en mulighed &#171;&#8212;sort=width&#187; for at sortere efter filnavnets l\u00e6ngde samt en mulighed &#171;&#8212;zero&#187; for at afslutte hver linje med et nul-tegn. Den gamle adf\u00e6rd er genindf\u00f8rt, hvilket f\u00f8rer til, at en tom mappe vises i stedet for en fejl ved behandling af en slettet katalog.\n<li class=\"l\"> I v\u00e6rkt\u00f8jet df er der implementeret en definition af netv\u00e6rksfilsystemer som acfs, coda, fhgfs, gpfs, ibrix, ocfs2 og vxfs.\n<li class=\"l\"> I v\u00e6rkt\u00f8jerne stat og tail er der tilf\u00f8jet st\u00f8tte for FS-typerne &#171;devmem&#187;, &#171;exfat&#187;, &#171;secretmem&#187;, &#171;vboxsf&#187; og &#171;zonefs&#187;. For &#171;vboxsf&#187; anvendes polling til at overv\u00e5ge \u00e6ndringer i &#171;tail -f&#187;, mens inotify anvendes til de \u00f8vrige.  <\/ul>\n<p>Kilde: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=55865\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0414\u043e\u0441\u0442\u0443\u043f\u043d\u0430 \u0441\u0442\u0430\u0431\u0438\u043b\u044c\u043d\u0430\u044f \u0432\u0435\u0440\u0441\u0438\u044f \u043d\u0430\u0431\u043e\u0440\u0430 \u0431\u0430\u0437\u043e\u0432\u044b\u0445 \u0441\u0438\u0441\u0442\u0435\u043c\u043d\u044b\u0445 \u0443\u0442\u0438\u043b\u0438\u0442 GNU Coreutils 9.0, \u0432 \u0441\u043e\u0441\u0442\u0430\u0432 \u043a\u043e\u0442\u043e\u0440\u043e\u0433\u043e \u0432\u0445\u043e\u0434\u044f\u0442 \u0442\u0430\u043a\u0438\u0435 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u044b, \u043a\u0430\u043a sort, cat, chmod, chown, chroot, cp, date, dd, echo, hostname, id, ln, ls \u0438 \u0442.\u0434. \u0417\u043d\u0430\u0447\u0438\u0442\u0435\u043b\u044c\u043d\u0430\u044f \u0441\u043c\u0435\u043d\u0430 \u043d\u043e\u043c\u0435\u0440\u0430 \u0432\u0435\u0440\u0441\u0438\u0438 \u043e\u0431\u044a\u044f\u0441\u043d\u044f\u0435\u0442\u0441\u044f \u043d\u0430\u043b\u0438\u0447\u0438\u0435\u043c \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u0439 \u0432 \u043f\u043e\u0432\u0435\u0434\u0435\u043d\u0438\u0438 \u043d\u0435\u043a\u043e\u0442\u043e\u0440\u044b\u0445 \u0443\u0442\u0438\u043b\u0438\u0442. \u041a\u043b\u044e\u0447\u0435\u0432\u044b\u0435 \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u044f: \u0412 \u0443\u0442\u0438\u043b\u0438\u0442\u0430\u0445 cp \u0438 install \u043f\u043e \u0443\u043c\u043e\u043b\u0447\u0430\u043d\u0438\u044e \u043f\u0440\u0438 \u043a\u043e\u043f\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u0438 \u0437\u0430\u0434\u0435\u0439\u0441\u0442\u0432\u043e\u0432\u0430\u043d [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-101398","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.3 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u0414\u043e\u0441\u0442\u0443\u043f\u043d\u0430 \u0441\u0442\u0430\u0431\u0438\u043b\u044c\u043d\u0430\u044f \u0432\u0435\u0440\u0441\u0438\u044f \u043d\u0430\u0431\u043e\u0440\u0430 \u0431\u0430\u0437\u043e\u0432\u044b\u0445 \u0441\u0438\u0441\u0442\u0435\u043c\u043d\u044b\u0445 \u0443\u0442\u0438\u043b\u0438\u0442 GNU Coreutils 9.0, \u0432 \u0441\u043e\u0441\u0442\u0430\u0432 \u043a\u043e\u0442\u043e\u0440\u043e\u0433\u043e \u0432\u0445\u043e\u0434\u044f\u0442 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