{"id":102995,"date":"2022-01-17T21:36:56","date_gmt":"2022-01-17T19:36:58","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/essence-%d1%81%d0%b0%d0%bc%d0%be%d0%b1%d1%8b%d1%82%d0%bd%d0%b0%d1%8f-%d0%be%d0%bf%d0%b5%d1%80%d0%b0%d1%86%d0%b8%d0%be%d0%bd%d0%bd%d0%b0%d1%8f-%d1%81%d0%b8%d1%81%d1%82%d0%b5%d0%bc%d0%b0-%d1%81%d0%be"},"modified":"2022-01-17T21:36:56","modified_gmt":"2022-01-17T19:36:58","slug":"essence-%d1%81%d0%b0%d0%bc%d0%be%d0%b1%d1%8b%d1%82%d0%bd%d0%b0%d1%8f-%d0%be%d0%bf%d0%b5%d1%80%d0%b0%d1%86%d0%b8%d0%be%d0%bd%d0%bd%d0%b0%d1%8f-%d1%81%d0%b8%d1%81%d1%82%d0%b5%d0%bc%d0%b0-%d1%81%d0%be","status":"publish","type":"post","link":"https:\/\/prohoster.info\/it\/blog\/news\/essence-%d1%81%d0%b0%d0%bc%d0%be%d0%b1%d1%8b%d1%82%d0%bd%d0%b0%d1%8f-%d0%be%d0%bf%d0%b5%d1%80%d0%b0%d1%86%d0%b8%d0%be%d0%bd%d0%bd%d0%b0%d1%8f-%d1%81%d0%b8%d1%81%d1%82%d0%b5%d0%bc%d0%b0-%d1%81%d0%be","title":{"rendered":"Essence \u2014 un sistema operativo autentico con il proprio kernel e interfaccia grafica.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

\u00c8 ora disponibile per la fase di test iniziale un nuovo sistema operativo Essence, fornito con il proprio kernel e interfaccia grafica utente. Il progetto \u00e8 sviluppato da un appassionato dal 2017, creato da zero e si distingue per il suo approccio originale nella costruzione del desktop e dello stack grafico. La caratteristica pi\u00f9 notevole \u00e8 la possibilit\u00e0 di dividere le finestre in schede, consentendo di lavorare in un'unica finestra contemporaneamente con pi\u00f9 programmi e raggruppando le applicazioni in base ai compiti da svolgere. Il codice del progetto \u00e8 scritto in C++ ed \u00e8 distribuito con licenza MIT.

\"Essence<\/center> <\/p>\n

Il gestore di finestre opera a livello di kernel del sistema operativo, mentre l'interfaccia \u00e8 creata tramite una propria libreria grafica e un motore vettoriale software che supporta effetti animati complessi. L'interfaccia \u00e8 completamente vettoriale e si scala automaticamente per tutte le risoluzioni dello schermo. Tutte le informazioni sui stili sono memorizzate in file separati, consentendo di cambiare facilmente l'aspetto delle applicazioni. Per il rendering software si utilizza codice da Mesa. \u00c8 supportato il funzionamento con pi\u00f9 lingue, mentre per il rendering dei caratteri sono utilizzati FreeType e Harfbuzz.

\"Essence<\/center> <\/p>\n

Il kernel include uno scheduler di attivit\u00e0 con supporto per pi\u00f9 livelli di priorit\u00e0, un sottosistema di gestione della memoria con supporto per memoria condivisa, mmap e gestore di pagine di memoria multithread, uno stack di rete (TCP\/IP), un sottosistema audio per il mixaggio dei suoni, VFS e un file system EssenceFS con un layer separato per la memorizzazione nella cache dei dati. Oltre al proprio file system, sono forniti driver per Ext2, FAT, NTFS e ISO9660. \u00c8 supportata l'estrazione di funzionalit\u00e0 in moduli con la possibilit\u00e0 di caricare questi moduli all'occorrenza. I driver sono preparati per ACPI con ACPICA, IDE, AHCI, NVMe, BGA, SVGA, HD Audio, Ethernet 8254x e USB XHCI (dispositivi di archiviazione e HID). <\/p>\n

La compatibilit\u00e0 con le applicazioni di terze parti \u00e8 raggiunta tramite un'interfaccia POSIX, sufficiente per eseguire GCC e alcune utility di Busybox. Tra le applicazioni portate per Essence si segnalano la libreria C Musl, l'emulatore Bochs, GCC, Binutils, FFmpeg e Mesa. Tra le applicazioni grafiche create appositamente per Essence si evidenziano un gestore di file, un editor di testo, un client IRC, un visualizzatore di immagini e un monitor di sistema.

\"Essence<\/center> <\/p>\n

Il sistema pu\u00f2 funzionare su hardware obsoleto con meno di 64 MB di RAM e occupa circa 30 MB di spazio su disco. Per risparmiare risorse, viene eseguita solo l'applicazione attiva, mentre tutti i programmi in background vengono sospesi. Il caricamento richiede solo pochi secondi e lo spegnimento avviene quasi istantaneamente. Il progetto pubblica quotidianamente nuove build pronte per il test in QEMU.

\r\n \"Guarda\r\n
<\/div>\r\n <\/div><\/center>
\n
Fonte: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

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