{"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\/sq\/blog\/news\/vypusk-nabora-bazovyh-sistemnyh-utilit-gnu-coreutils-9-0","title":{"rendered":"Publikimi i paket\u00ebs s\u00eb utiliteteve baz\u00eb t\u00eb sistemit GNU Coreutils 9.0","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"
\u00cbsht\u00eb i disponuesh\u00ebm versioni stabil i paket\u00ebs s\u00eb utiliteteve baz\u00eb t\u00eb sistemit GNU Coreutils 9.0, q\u00eb p\u00ebrfshin programe si sort, cat, chmod, chown, chroot, cp, date, dd, echo, hostname, id, ln, ls etj. Ndryshimi i duksh\u00ebm n\u00eb numrin e versionit shpjegohet me ndryshime n\u00eb sjelljen e disa utiliteteve. <\/p>\n
Ndryshimet kryesore: <\/p>\n
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N\u00eb utilitetet cp dhe install, gjat\u00eb kopjimit p\u00ebrdoret si parazgjedhje m\u00ebnyra copy-on-write (p\u00ebrdorimi i ioctl ficlone p\u00ebr ndarjen e t\u00eb dh\u00ebnave mes disa skedar\u00ebve n\u00eb vend t\u00eb krijimit t\u00eb nj\u00eb kloni t\u00eb plot\u00eb).\n
N\u00eb utilitetet cp, install dhe mv p\u00ebrdoren mekanizmat e ofruar nga sistemi p\u00ebr t\u00eb p\u00ebrshpejtuar operacionet e kopjimit (p\u00ebrdorimi i thirrjes s\u00eb sistemit copy_file_range p\u00ebr ta kryer kopjimin vet\u00ebm n\u00eb an\u00ebn e kernelit, pa transferuar t\u00eb dh\u00ebna n\u00eb memorien e procesit n\u00eb hap\u00ebsir\u00ebn e p\u00ebrdoruesit).\n
N\u00eb utilitetet cp, install dhe mv, p\u00ebr zbulimin e boshll\u00ebqeve n\u00eb skedar\u00eb p\u00ebrdoret thirrja m\u00eb e thjesht\u00eb dhe m\u00eb portab\u00ebl lseek+SEEK_HOLE n\u00eb vend t\u00eb ioctl+FS_IOC_FIEMAP.\n
N\u00eb utilitetin wc, p\u00ebr t\u00eb p\u00ebrshpejtuar num\u00ebrimin e rreshtave p\u00ebrdoren instruksionet AVX2. Me k\u00ebt\u00eb optimizim, shpejt\u00ebsia e wc \u00ebsht\u00eb rritur 5 her\u00eb.\n
N\u00eb utilitarin cksum u shtua opsioni «-a» (—algorithm) p\u00ebr t\u00eb zgjedhur algoritmin e hash-it. P\u00ebr t\u00eb p\u00ebrshpejtuar llogaritjen e kontrolleve t\u00eb shumave n\u00eb utilitarin cksum, jan\u00eb p\u00ebrdorur instrukcione pclmul kur p\u00ebrdoret moda «—algorithm=crc», duke lejuar p\u00ebrshpejtimin e llogaritjeve deri n\u00eb 8 her\u00eb. N\u00eb sistemet pa mb\u00ebshtetje pclmul, moda crc \u00ebsht\u00eb p\u00ebrshpejtuar 4 her\u00eb. Algoritmet e tjera t\u00eb hash-it (sum, md5sum, b2sum, sha*sum, sm3, etj.) jan\u00eb realizuar p\u00ebrmes thirrjeve t\u00eb funksioneve libcrypto.\n
N\u00eb utilitar\u00ebt md5sum, cksum, sha*sum dhe b2sum, kur p\u00ebrdoret flagu «—check», lejohet prania e sekuenc\u00ebs CRLF n\u00eb fund t\u00eb rreshtit me shum\u00ebn e kontrollit. N\u00eb «cksum —check» \u00ebsht\u00eb siguruar identifikimi automatik i algoritmit t\u00eb p\u00ebrdorur p\u00ebr hash.\n
N\u00eb utilitarin ls u shtua opsioni «—sort=width» p\u00ebr renditjen sipas gjat\u00ebsi t\u00eb emrit t\u00eb skedarit, si dhe opsioni «—zero» p\u00ebr t\u00eb p\u00ebrfunduar \u00e7do rresht me nj\u00eb simbol zero. U kthye sjellja e vjet\u00ebr, duke shkaktuar q\u00eb t\u00eb shfaqet nj\u00eb direktori e zbraz\u00ebt n\u00eb vend t\u00eb nj\u00eb gabimi n\u00eb rastin e p\u00ebrpunimit t\u00eb nj\u00eb katalogu t\u00eb fshir\u00eb.\n
N\u00eb vegl\u00ebn df \u00ebsht\u00eb zbatuar zbulimi i sistemeve t\u00eb skedar\u00ebve n\u00eb rrjet acfs, coda, fhgfs, gpfs, ibrix, ocfs2 dhe vxfs.\n
N\u00eb utilitetet stat dhe tail u shtua mb\u00ebshtetje p\u00ebr llojet e FS «devmem», «exfat», «secretmem», «vboxsf» dhe «zonefs». P\u00ebr «vboxsf» p\u00ebr t\u00eb ndjekur ndryshimet n\u00eb «tail -f» u p\u00ebrdor polling, nd\u00ebrsa p\u00ebr t\u00eb tjerat — inotify. <\/ul>\n