{"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\/es\/blog\/news\/vypusk-nabora-bazovyh-sistemnyh-utilit-gnu-coreutils-9-0","title":{"rendered":"Lanzamiento del conjunto de utilidades del sistema GNU Coreutils 9.0","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Est\u00e1 disponible la versi\u00f3n estable del conjunto de utilidades b\u00e1sicas del sistema GNU Coreutils 9.0, que incluye programas como sort, cat, chmod, chown, chroot, cp, date, dd, echo, hostname, id, ln, ls, etc. El cambio significativo en el n\u00famero de versi\u00f3n se debe a modificaciones en el comportamiento de algunas utilidades.    <\/p>\n<p>Cambios clave:  <\/p>\n<ul>\n<li class=\"l\"> En las utilidades cp e install, el modo copy-on-write se utiliza de manera predeterminada al copiar (usando ioctl ficlone para compartir datos entre varios archivos en lugar de crear un clon completo).\n<li class=\"l\"> Las utilidades cp, install y mv emplean mecanismos proporcionados por el sistema para acelerar las operaciones de copia (usando la llamada al sistema copy_file_range para realizar la copia solo en el lado del n\u00facleo sin transferir datos a la memoria del proceso en el espacio del usuario).\n<li class=\"l\"> En las utilidades cp, install y mv se utiliza una llamada m\u00e1s sencilla y port\u00e1til lseek+SEEK_HOLE para detectar huecos en los archivos en lugar de ioctl+FS_IOC_FIEMAP.\n<li class=\"l\"> En la utilidad wc, se emplean instrucciones AVX2 para acelerar el conteo de l\u00edneas. Con esta optimizaci\u00f3n, la velocidad de wc ha aumentado cinco veces.\n<li class=\"l\"> Se ha agregado la opci\u00f3n &#171;-a&#187; (&#8212;algorithm) a la herramienta cksum para seleccionar el algoritmo de hash. Para acelerar el c\u00e1lculo de sumas de verificaci\u00f3n en la herramienta cksum, se utilizan las instrucciones pclmul cuando se utiliza el modo &#171;&#8212;algorithm=crc&#187;, lo que permite acelerar los c\u00e1lculos hasta 8 veces. En sistemas sin soporte para pclmul, el modo crc se ha acelerado en 4 veces. Los dem\u00e1s algoritmos de hash (sum, md5sum, b2sum, sha*sum, sm3, etc.) se implementan mediante llamadas a funciones de libcrypto.\n<li class=\"l\"> En las herramientas md5sum, cksum, sha*sum y b2sum, al utilizar la bandera &#171;&#8212;check&#187; se permite la presencia de una secuencia CRLF al final de la l\u00ednea con la suma de verificaci\u00f3n. En &#171;cksum &#8212;check&#187; se garantiza la detecci\u00f3n autom\u00e1tica del algoritmo de hash utilizado.\n<li class=\"l\"> Se ha agregado la opci\u00f3n &#171;&#8212;sort=width&#187; a la herramienta ls para ordenar por la longitud del nombre del archivo, as\u00ed como la opci\u00f3n &#171;&#8212;zero&#187; para terminar cada l\u00ednea con un car\u00e1cter nulo. Se ha restaurado el comportamiento anterior, que muestra un directorio vac\u00edo en lugar de un error al procesar un directorio eliminado.\n<li class=\"l\"> En la utilidad df se ha implementado la detecci\u00f3n de sistemas de archivos de red acfs, coda, fhgfs, gpfs, ibrix, ocfs2 y vxfs.\n<li class=\"l\"> Se ha agregado soporte para tipos de FS &#171;devmem&#187;, &#171;exfat&#187;, &#171;secretmem&#187;, &#171;vboxsf&#187; y &#171;zonefs&#187; en las herramientas stat y tail. Para &#171;vboxsf&#187;, se utiliza polling para monitorear cambios en &#171;tail -f&#187;, y para los otros tipos, inotify.  <\/ul>\n<p>Fuente: <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 5.0.2 - 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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