Knowledge

Versatile Real-Time Executive

Source 📝

2842: 2832: 1698: 25: 1688: 695: 532:
operating system, which runs on most company devices since the Motorola V60 and T280i, up to the Motorola RAZR V9x. It runs on several hardware platforms including LTE (Motorola V300,
795: 1903: 677: 42: 89: 2888: 2836: 61: 395:
tools to supplement VRTX, named VRTX works, or VxWorks. Later, Wind River created their own real-time kernel offering similar to VRTX.
1692: 788: 68: 561: 2878: 614: 75: 2495: 1736: 522: 2883: 1702: 781: 57: 2873: 2489: 2483: 2612: 1952: 1476: 1470: 461: 1505: 713: 108: 533: 469: 241: 2245: 2637: 1959: 1282: 369:. This firm later merged with Microtec Research in 1993, and went public in 1994. This firm was then acquired by 2868: 2521: 2477: 1459: 46: 1976: 696:"Raytheon Systems company selects Microtecs VRTX real time operating system for wide area augmentation system" 1319: 504: 2168: 947: 82: 2090: 860: 2817: 2664: 2414: 1550: 804: 731: 439: 330: 286: 153: 2704: 2682: 2579: 2321: 2252: 2207: 2186: 2125: 1757: 1729: 1430: 1197: 1065: 965: 280: 2697: 2658: 2533: 2239: 2118: 1582: 1544: 1250: 577:. It could be used to port the VRTX based system to Linux although not all features are supported. 2650: 2445: 2192: 1418: 977: 901: 540:
processor), LTE2 (Motorola L7 and upcoming devices with 176x220 screen resolution), Rainbow POG (
421:
MPV: Multiprocessor VRTX for distributed applications, such as distributed across VME backplanes.
35: 2035: 1995: 1589: 1512: 497: 2893: 2846: 2361: 2292: 1787: 1766: 1276: 1168: 245: 2825: 2670: 2332: 1722: 1681: 1092: 298: 2055: 8: 2784: 438:
VRTX-sa: Scalable Architecture VRTX for full operating system features. Loosely based on
678:"Ready Systems introduces Spectra environment for developing real time embedded systems" 2693: 2228: 1911: 1578: 1074: 653: 570: 548:
processor from Motorola E1000 to RAZR V3x), Argon (all new 3G phones with 532 MHz
384: 1988: 1308: 2769: 2754: 2734: 1814: 1625: 1293: 773: 601: 481: 392: 229: 1749: 657: 2006: 1793: 1377: 813: 645: 477: 415: 408: 358: 342: 293: 225: 200: 193: 2274: 1875: 2739: 2437: 1832: 1208: 888: 453: 370: 338: 334: 269: 189: 143: 2779: 2764: 2744: 2266: 1969: 1882: 1782: 1630: 1141: 1020: 1015: 633: 473: 257: 2421: 2862: 2789: 2759: 1930: 1386: 1134: 1005: 634:"VRTX: A Real-Time Operating System for Embedded Microprocessor Applications" 443: 424:
VRTX-mc: Micro-Controller VRTX, for small systems needing minimal memory use.
366: 137: 2794: 2564: 2544: 2347: 2174: 1869: 1714: 1650: 1645: 1101: 992: 953: 649: 574: 346: 2624: 2270: 1745: 1673: 1635: 1530: 1400: 511: 446: 432: 265: 249: 221: 213: 2726: 2630: 2594: 1946: 1617: 1498: 1365: 362: 261: 253: 217: 130: 615:"Mentor Graphics to add real time ARM via $ 130m Microtec acquisition" 464:
allowing third-party tools open access to cross-development resources.
2774: 2749: 2513: 2383: 2373: 2281: 2067: 2027: 1804: 1640: 1518: 1492: 1412: 1236: 1026: 834: 457: 273: 24: 2600: 2557: 2353: 2161: 2041: 1937: 1821: 1524: 1464: 1406: 1113: 1010: 971: 940: 849: 518: 435:
for personal and academic use, license required for commercial use.
428: 388: 2716: 2643: 2606: 2526: 2503: 2472: 2451: 2426: 2399: 2392: 2301: 2082: 2073: 1982: 1607: 1601: 1568: 1563: 1453: 1424: 1393: 1371: 1269: 1244: 1223: 1177: 1155: 894: 566: 485: 380: 233: 2710: 2587: 2341: 2314: 2307: 2233: 2222: 2216: 2137: 2106: 1888: 1445: 1348: 1334: 1322: 1190: 1183: 1148: 1107: 921: 912: 876: 854: 527: 361:
began as a product of Hunter & Ready, a company founded by
580:
VRTX has reached end-of-life, an automated porting tool named
552:
processor since Motorola RAZR MAXX V6, and V3xx), and others.
2463: 2259: 2180: 2131: 2061: 2048: 2017: 1859: 1776: 1537: 1341: 1050: 959: 824: 549: 545: 237: 739: 2144: 1847: 1841: 1595: 1488: 1302: 1217: 1081: 1044: 843: 537: 714:"Ready Systems VRTX is first operating system for AM29000" 376:
The VRTX operating system was released in September 1981.
2618: 2112: 1919: 1482: 1325: 1260: 1125: 882: 765: 309: 541: 803: 337:. VRTX is suitable for both traditional board-based 387:product. VxWorks had its start in the mid 1980s as 345:(SoC) architectures. It has been superseded by the 49:. Unsourced material may be challenged and removed. 602:https://www.pcmag.com/encyclopedia/term/57381/vrtx 510:VRTX was the first operating system ported to the 379:Since the 1980s, the chief rival to VRTX has been 468:Most companies developing software with VRTX use 2860: 584:is available to reuse the code on a modern OS. 2837:Category: Microkernel-based operating systems 1730: 789: 604:VRTX Definition from PC Magazine Encyclopedia 456:(VM) implementation for running a VRTX VM on 333:(RTOS) developed and marketed by the company 1744: 365:and Colin Hunter in 1980 which later became 1737: 1723: 1687: 796: 782: 373:in 1995 and VRTX became a Mentor product. 536:, E398, RAZR V3 and others featuring the 109:Learn how and when to remove this message 2382: 562:List of telescope parts and construction 2861: 1718: 777: 631: 625: 47:adding citations to reliable sources 18: 2889:Microkernel-based operating systems 13: 491: 462:integrated development environment 14: 2905: 757: 2841: 2840: 2831: 2830: 1697: 1696: 1686: 470:reduced instruction set computer 403:VRTX comes in several flavors: 23: 1283:Transaction Processing Facility 517:VRTX is used as a core for the 58:"Versatile Real-Time Executive" 34:needs additional citations for 724: 706: 688: 670: 607: 595: 1: 2879:Proprietary operating systems 732:"MapuSoft: Porting Made Easy" 588: 505:Wide Area Augmentation System 460:hosts. Also includes an open 323:Versatile Real-Time Executive 125:Versatile Real-Time Executive 418:VRTX, for M68K, AMD29K, etc. 7: 2884:Real-time operating systems 2091:Multi-Environment Real-Time 861:Multi-Environment Real-Time 805:Real-time operating systems 702:(Press release). Cision US. 632:Ready, James (1986-08-31). 569:is a real-time development 555: 411:VRTX, for Z8000, 8086, etc. 173:; 43 years ago 154:Real-time operating systems 10: 2910: 2874:Embedded operating systems 440:Carnegie Mellon University 352: 331:real-time operating system 16:Real-time operating system 2803: 2725: 2692: 2543: 2512: 2462: 2436: 2372: 2331: 2291: 2206: 2153: 2026: 2016: 2005: 1858: 1831: 1803: 1765: 1756: 1659: 1616: 1577: 1358: 1318: 1292: 1259: 1235: 1207: 1167: 1124: 1091: 1064: 1037: 1001: 991: 966:Operating System Embedded 932: 911: 833: 823: 812: 304: 292: 279: 209: 199: 185: 167: 159: 149: 129: 1251:Windows Embedded Compact 718:Computer Business Review 682:Computer Business Review 619:Computer Business Review 427:VRTX-oc: On-chip VRTX, 398: 2847:Category: Microkernels 1590:Robot Operating System 738:. 2008. Archived from 650:10.1109/MM.1986.304774 498:Hubble Space Telescope 2869:ARM operating systems 736:MapuSoft Technologies 684:. September 30, 1992. 573:cooperating with the 2826:Open-source software 2333:Java virtual machine 1682:Open-source software 1093:Java virtual machine 544:phones featuring an 43:improve this article 2785:Andrew S. Tanenbaum 621:. October 11, 1995. 126: 720:. January 6, 1991. 571:software framework 385:Wind River Systems 135:Hunter & Ready 124: 2856: 2855: 2770:James G. Mitchell 2755:Per Brinch Hansen 2574: 2573: 2409: 2408: 2202: 2201: 1898: 1897: 1815:Mac OS nanokernel 1712: 1711: 1440: 1439: 1294:Texas Instruments 1060: 1059: 987: 986: 770:, Mentor Graphics 393:assembly language 320: 319: 141:Microtec Research 119: 118: 111: 93: 2901: 2844: 2843: 2834: 2833: 2380: 2379: 2208:Capability-based 2024: 2023: 2014: 2013: 1763: 1762: 1739: 1732: 1725: 1716: 1715: 1700: 1699: 1690: 1689: 1378:ERIKA Enterprise 1066:Capability-based 999: 998: 831: 830: 821: 820: 798: 791: 784: 775: 774: 769: 768: 766:Official website 751: 750: 748: 747: 728: 722: 721: 710: 704: 703: 692: 686: 685: 674: 668: 667: 665: 664: 629: 623: 622: 611: 605: 599: 531: 359:operating system 343:system on a chip 339:embedded systems 316: 313: 311: 305:Official website 190:Embedded systems 186:Marketing target 181: 179: 174: 127: 123: 121:Operating system 114: 107: 103: 100: 94: 92: 51: 27: 19: 2909: 2908: 2904: 2903: 2902: 2900: 2899: 2898: 2859: 2858: 2857: 2852: 2829: 2799: 2740:Thomas Bushnell 2721: 2688: 2570: 2539: 2508: 2458: 2432: 2405: 2368: 2327: 2287: 2198: 2149: 2008: 2001: 1894: 1854: 1827: 1799: 1752: 1743: 1713: 1708: 1685: 1655: 1612: 1573: 1436: 1354: 1314: 1288: 1255: 1231: 1203: 1163: 1120: 1087: 1056: 1033: 983: 928: 907: 889:Real-Time Linux 815: 808: 802: 764: 763: 760: 755: 754: 745: 743: 730: 729: 725: 712: 711: 707: 694: 693: 689: 676: 675: 671: 662: 660: 630: 626: 613: 612: 608: 600: 596: 591: 558: 525: 494: 492:Implementations 474:microprocessors 454:Virtual machine 401: 371:Mentor Graphics 355: 335:Mentor Graphics 308: 177: 175: 172: 168:Initial release 144:Mentor Graphics 142: 140: 136: 122: 115: 104: 98: 95: 52: 50: 40: 28: 17: 12: 11: 5: 2907: 2897: 2896: 2891: 2886: 2881: 2876: 2871: 2854: 2853: 2851: 2850: 2821: 2813: 2811:= discontinued 2804: 2801: 2800: 2798: 2797: 2792: 2787: 2782: 2780:Richard Rashid 2777: 2772: 2767: 2765:Jochen Liedtke 2762: 2757: 2752: 2747: 2745:David Cheriton 2742: 2737: 2731: 2729: 2723: 2722: 2720: 2714: 2708: 2702: 2700: 2690: 2689: 2687: 2686: 2680: 2674: 2655: 2647: 2641: 2634: 2628: 2622: 2616: 2610: 2604: 2598: 2592: 2584: 2575: 2572: 2571: 2569: 2568: 2549: 2547: 2541: 2540: 2538: 2537: 2530: 2524: 2518: 2516: 2510: 2509: 2507: 2506: 2501: 2500: 2499: 2496:Icaros Desktop 2493: 2487: 2475: 2469: 2467: 2460: 2459: 2457: 2442: 2440: 2434: 2433: 2431: 2430: 2422:Classic Mac OS 2418: 2410: 2407: 2406: 2404: 2403: 2396: 2388: 2386: 2377: 2370: 2369: 2367: 2366: 2358: 2337: 2335: 2329: 2328: 2326: 2325: 2319: 2311: 2305: 2298: 2296: 2289: 2288: 2286: 2285: 2267:HarmonyOS NEXT 2263: 2256: 2249: 2243: 2236: 2212: 2210: 2204: 2203: 2200: 2199: 2197: 2196: 2190: 2184: 2178: 2172: 2166: 2157: 2155: 2151: 2150: 2148: 2141: 2134: 2129: 2122: 2116: 2110: 2103: 2087: 2079: 2078: 2077: 2071: 2059: 2052: 2045: 2039: 2032: 2030: 2021: 2011: 2003: 2002: 2000: 1999: 1992: 1989:TI-RTOS kernel 1986: 1980: 1973: 1966: 1965:Off++ → Plan B 1963: 1956: 1950: 1943: 1942: 1941: 1927: 1924: 1916: 1908: 1899: 1896: 1895: 1893: 1892: 1885: 1880: 1879: 1878: 1865: 1863: 1856: 1855: 1853: 1852: 1837: 1835: 1829: 1828: 1826: 1825: 1818: 1810: 1808: 1801: 1800: 1798: 1797: 1791: 1772: 1770: 1760: 1754: 1753: 1742: 1741: 1734: 1727: 1719: 1710: 1709: 1707: 1706: 1677: 1669: 1667:= discontinued 1660: 1657: 1656: 1654: 1653: 1648: 1643: 1638: 1633: 1631:David Cheriton 1628: 1622: 1620: 1614: 1613: 1611: 1605: 1599: 1593: 1587: 1585: 1575: 1574: 1572: 1571: 1566: 1561: 1555: 1541: 1534: 1527: 1522: 1516: 1509: 1502: 1496: 1486: 1480: 1474: 1468: 1462: 1457: 1450: 1441: 1438: 1437: 1435: 1434: 1428: 1422: 1416: 1410: 1404: 1398: 1390: 1384: 1381: 1375: 1369: 1362: 1360: 1356: 1355: 1353: 1352: 1345: 1338: 1330: 1328: 1316: 1315: 1313: 1312: 1309:TI-RTOS Kernel 1306: 1298: 1296: 1290: 1289: 1287: 1286: 1280: 1273: 1265: 1263: 1257: 1256: 1254: 1253: 1248: 1241: 1239: 1233: 1232: 1230: 1229: 1213: 1211: 1205: 1204: 1202: 1201: 1195: 1187: 1181: 1174: 1172: 1165: 1164: 1162: 1161: 1160: 1159: 1152: 1145: 1142:Concurrent DOS 1130: 1128: 1122: 1121: 1119: 1118: 1097: 1095: 1089: 1088: 1086: 1085: 1079: 1070: 1068: 1062: 1061: 1058: 1057: 1055: 1054: 1048: 1041: 1039: 1035: 1034: 1032: 1031: 1030: 1029: 1024: 1023:(organization) 1021:T-Engine Forum 1018: 1016:Micro T-Kernel 1008: 1002: 996: 989: 988: 985: 984: 982: 981: 975: 969: 963: 957: 951: 945: 936: 934: 930: 929: 927: 926: 917: 915: 909: 908: 906: 905: 898: 892: 886: 880: 873: 857: 852: 847: 839: 837: 828: 818: 810: 809: 801: 800: 793: 786: 778: 772: 771: 759: 758:External links 756: 753: 752: 723: 705: 687: 669: 624: 606: 593: 592: 590: 587: 586: 585: 578: 564: 557: 554: 503:VRTX runs the 496:VRTX runs the 493: 490: 466: 465: 450: 436: 425: 422: 419: 412: 400: 397: 354: 351: 318: 317: 306: 302: 301: 296: 290: 289: 284: 277: 276: 211: 207: 206: 203: 197: 196: 187: 183: 182: 169: 165: 164: 161: 157: 156: 151: 147: 146: 133: 120: 117: 116: 99:September 2014 31: 29: 22: 15: 9: 6: 4: 3: 2: 2906: 2895: 2892: 2890: 2887: 2885: 2882: 2880: 2877: 2875: 2872: 2870: 2867: 2866: 2864: 2849: 2848: 2839: 2838: 2828: 2827: 2822: 2820: 2819: 2814: 2812: 2809: 2806: 2805: 2802: 2796: 2793: 2791: 2790:Avie Tevanian 2788: 2786: 2783: 2781: 2778: 2776: 2773: 2771: 2768: 2766: 2763: 2761: 2760:Gernot Heiser 2758: 2756: 2753: 2751: 2748: 2746: 2743: 2741: 2738: 2736: 2733: 2732: 2730: 2728: 2724: 2718: 2715: 2712: 2709: 2706: 2703: 2701: 2699: 2695: 2691: 2684: 2681: 2678: 2675: 2673: 2672: 2667: 2666: 2661: 2660: 2656: 2653: 2652: 2648: 2645: 2642: 2640: 2639: 2635: 2632: 2629: 2626: 2623: 2620: 2617: 2614: 2611: 2608: 2605: 2602: 2599: 2596: 2593: 2590: 2589: 2585: 2582: 2581: 2577: 2576: 2567: 2566: 2561: 2559: 2554: 2551: 2550: 2548: 2546: 2542: 2536: 2535: 2531: 2528: 2525: 2523: 2520: 2519: 2517: 2515: 2511: 2505: 2502: 2497: 2494: 2491: 2488: 2485: 2482: 2481: 2479: 2476: 2474: 2471: 2470: 2468: 2465: 2461: 2455: 2453: 2448: 2447: 2443: 2441: 2439: 2435: 2428: 2424: 2423: 2419: 2417: 2416: 2412: 2411: 2402: 2401: 2397: 2395: 2394: 2390: 2389: 2387: 2385: 2381: 2378: 2375: 2371: 2364: 2363: 2359: 2356: 2355: 2351:^ integrates 2350: 2349: 2344: 2343: 2339: 2338: 2336: 2334: 2330: 2323: 2320: 2317: 2316: 2312: 2309: 2306: 2303: 2300: 2299: 2297: 2294: 2290: 2284: 2283: 2278: 2276: 2272: 2268: 2264: 2262: 2261: 2257: 2255: 2254: 2250: 2247: 2244: 2242: 2241: 2237: 2235: 2231: 2230: 2225: 2224: 2219: 2218: 2214: 2213: 2211: 2209: 2205: 2194: 2191: 2188: 2185: 2182: 2179: 2176: 2173: 2170: 2167: 2165: 2163: 2159: 2158: 2156: 2152: 2147: 2146: 2142: 2140: 2139: 2135: 2133: 2130: 2128: 2127: 2123: 2120: 2117: 2114: 2111: 2109: 2108: 2104: 2101: 2097: 2093: 2092: 2088: 2085: 2084: 2080: 2075: 2072: 2069: 2066: 2065: 2063: 2060: 2058: 2057: 2053: 2051: 2050: 2046: 2043: 2040: 2038: 2037: 2033: 2031: 2029: 2025: 2022: 2019: 2015: 2012: 2010: 2004: 1998: 1997: 1993: 1990: 1987: 1984: 1981: 1979: 1978: 1974: 1972: 1971: 1967: 1964: 1962: 1961: 1957: 1954: 1951: 1949: 1948: 1944: 1939: 1936: 1935: 1933: 1932: 1928: 1926:Little Kernel 1925: 1922: 1921: 1917: 1914: 1913: 1909: 1906: 1905: 1901: 1900: 1891: 1890: 1886: 1884: 1881: 1877: 1874: 1873: 1872: 1871: 1867: 1866: 1864: 1861: 1857: 1850: 1849: 1844: 1843: 1839: 1838: 1836: 1834: 1830: 1824: 1823: 1819: 1817: 1816: 1812: 1811: 1809: 1806: 1802: 1795: 1792: 1789: 1785: 1784: 1779: 1778: 1774: 1773: 1771: 1768: 1764: 1761: 1759: 1755: 1751: 1747: 1740: 1735: 1733: 1728: 1726: 1721: 1720: 1717: 1705: 1704: 1695: 1694: 1684: 1683: 1678: 1676: 1675: 1670: 1668: 1665: 1662: 1661: 1658: 1652: 1649: 1647: 1644: 1642: 1639: 1637: 1634: 1632: 1629: 1627: 1624: 1623: 1621: 1619: 1615: 1609: 1606: 1603: 1600: 1597: 1594: 1591: 1588: 1586: 1584: 1580: 1576: 1570: 1567: 1565: 1562: 1559: 1556: 1553: 1552: 1547: 1546: 1542: 1540: 1539: 1535: 1533: 1532: 1528: 1526: 1523: 1520: 1517: 1515: 1514: 1510: 1508: 1507: 1503: 1500: 1497: 1494: 1490: 1487: 1484: 1481: 1478: 1475: 1472: 1469: 1466: 1463: 1461: 1458: 1456: 1455: 1451: 1448: 1447: 1443: 1442: 1432: 1429: 1426: 1423: 1420: 1417: 1414: 1411: 1408: 1405: 1402: 1399: 1396: 1395: 1391: 1388: 1385: 1382: 1379: 1376: 1373: 1370: 1367: 1364: 1363: 1361: 1357: 1351: 1350: 1346: 1344: 1343: 1339: 1337: 1336: 1332: 1331: 1329: 1327: 1324: 1321: 1317: 1310: 1307: 1305: 1304: 1300: 1299: 1297: 1295: 1291: 1284: 1281: 1279: 1278: 1274: 1272: 1271: 1267: 1266: 1264: 1262: 1258: 1252: 1249: 1246: 1243: 1242: 1240: 1238: 1234: 1227: 1225: 1220: 1219: 1215: 1214: 1212: 1210: 1206: 1199: 1196: 1193: 1192: 1188: 1185: 1182: 1179: 1176: 1175: 1173: 1170: 1166: 1158: 1157: 1153: 1151: 1150: 1146: 1144: 1143: 1139: 1138: 1137: 1136: 1135:Multiuser DOS 1132: 1131: 1129: 1127: 1123: 1116: 1115: 1110: 1109: 1104: 1103: 1099: 1098: 1096: 1094: 1090: 1083: 1080: 1077: 1076: 1072: 1071: 1069: 1067: 1063: 1052: 1049: 1046: 1043: 1042: 1040: 1036: 1028: 1025: 1022: 1019: 1017: 1014: 1013: 1012: 1009: 1007: 1006:ITRON project 1004: 1003: 1000: 997: 994: 990: 979: 976: 973: 970: 967: 964: 961: 958: 955: 952: 949: 946: 943: 942: 938: 937: 935: 931: 924: 923: 919: 918: 916: 914: 910: 904: 903: 899: 896: 893: 890: 887: 884: 881: 879: 878: 874: 871: 867: 863: 862: 858: 856: 853: 851: 848: 846: 845: 841: 840: 838: 836: 832: 829: 826: 822: 819: 817: 811: 806: 799: 794: 792: 787: 785: 780: 779: 776: 767: 762: 761: 742:on 2008-11-20 741: 737: 733: 727: 719: 715: 709: 701: 697: 691: 683: 679: 673: 659: 655: 651: 647: 643: 639: 635: 628: 620: 616: 610: 603: 598: 594: 583: 579: 576: 572: 568: 565: 563: 560: 559: 553: 551: 547: 543: 539: 535: 529: 524: 520: 515: 513: 508: 506: 501: 499: 489: 488:, or others. 487: 483: 479: 475: 471: 463: 459: 455: 451: 448: 445: 441: 437: 434: 430: 426: 423: 420: 417: 413: 410: 406: 405: 404: 396: 394: 390: 386: 382: 377: 374: 372: 368: 367:Ready Systems 364: 360: 350: 348: 344: 340: 336: 332: 328: 324: 315: 307: 303: 300: 297: 295: 291: 288: 285: 282: 278: 275: 271: 267: 263: 259: 255: 251: 247: 243: 239: 235: 231: 227: 223: 219: 215: 212: 208: 204: 202: 198: 195: 191: 188: 184: 170: 166: 162: 160:Working state 158: 155: 152: 148: 145: 139: 138:Ready Systems 134: 132: 128: 113: 110: 102: 91: 88: 84: 81: 77: 74: 70: 67: 63: 60: –  59: 55: 54:Find sources: 48: 44: 38: 37: 32:This article 30: 26: 21: 20: 2894:Microkernels 2845: 2835: 2823: 2815: 2810: 2807: 2795:William Wulf 2676: 2669: 2663: 2657: 2649: 2636: 2586: 2578: 2565:Workplace OS 2563: 2556: 2552: 2545:AIM alliance 2532: 2450: 2444: 2420: 2413: 2398: 2391: 2360: 2352: 2346: 2340: 2313: 2280: 2265: 2258: 2251: 2238: 2227: 2221: 2215: 2175:Nucleus RTOS 2160: 2143: 2136: 2124: 2105: 2099: 2095: 2089: 2081: 2054: 2047: 2034: 1994: 1975: 1968: 1958: 1945: 1929: 1918: 1910: 1902: 1887: 1868: 1846: 1840: 1820: 1813: 1781: 1775: 1746:Microkernels 1701: 1691: 1679: 1671: 1666: 1663: 1651:Ken Sakamura 1646:Adam Dunkels 1557: 1549: 1543: 1536: 1529: 1511: 1504: 1452: 1444: 1392: 1359:Low resource 1347: 1340: 1333: 1301: 1275: 1268: 1222: 1221:^° kernel → 1216: 1189: 1154: 1147: 1140: 1133: 1112: 1106: 1100: 1073: 954:Nucleus RTOS 939: 920: 900: 875: 869: 865: 859: 842: 744:. Retrieved 740:the original 735: 726: 717: 708: 699: 690: 681: 672: 661:. Retrieved 641: 637: 627: 618: 609: 597: 581: 575:Linux kernel 521:proprietary 516: 509: 502: 495: 467: 402: 378: 375: 356: 347:Nucleus RTOS 326: 322: 321: 201:Available in 105: 96: 86: 79: 72: 65: 53: 41:Please help 36:verification 33: 2735:Gordon Bell 2625:OpenComRTOS 2522:Singularity 2348:Chorus/Jazz 2271:OpenHarmony 1750:nanokernels 1674:Microkernel 1636:Dave Cutler 1626:Gordon Bell 1531:Sintran III 1401:OpenComRTOS 1102:Chorus/Jazz 700:PR Newswire 526: [ 512:AMD Am29000 449:principles. 447:microkernel 433:source code 363:James Ready 299:Proprietary 2863:Categories 2727:Developers 2694:Frameworks 2631:Phantom OS 2595:ChibiOS/RT 1953:µ-velOSity 1947:MicroEmpix 1693:Comparison 1618:Developers 1579:Frameworks 1521:° Standard 1499:Phantom OS 1477:µ-velOSity 1366:ChibiOS/RT 746:2021-08-08 663:2022-07-27 638:IEEE Micro 589:References 582:OS Changer 534:V500, V600 476:including 431:community 69:newspapers 2818:Real-time 2775:Ike Nassi 2750:Dan Dodge 2514:Microsoft 2384:Unix-like 2374:Macintosh 2282:HarmonyOS 2169:Integrity 2068:Minix-vmd 2028:Unix-like 2007:Operating 1805:Macintosh 1641:Dan Dodge 1569:UniProton 1519:RT-Thread 1493:Microware 1413:RT-Thread 1237:Microsoft 1027:T-License 948:Integrity 835:Unix-like 814:Operating 644:(4): 10. 458:Unix-like 452:SPECTRA: 414:VRTX-32: 357:The VRTX 287:Real-time 274:StrongARM 210:Platforms 150:OS family 131:Developer 2601:FreeRTOS 2558:Taligent 2490:Broadway 2484:AspireOS 2354:ChorusOS 2275:Oniro OS 2162:ChorusOS 2042:GNU Hurd 1996:Vanguard 1938:GNU Mach 1822:NuKernel 1703:Category 1525:ScreenOS 1465:FreeRTOS 1407:PX5 RTOS 1114:ChorusOS 1011:T-Kernel 972:PX5 RTOS 941:ChorusOS 850:Junos OS 658:10740518 556:See also 519:Motorola 429:freeware 389:compiler 2808:Italics 2717:TI-RTOS 2665:Harmony 2644:SharpOS 2638:RC 4000 2607:HelenOS 2527:ThreadX 2504:MorphOS 2473:AmigaOS 2452:Symbian 2429:kernel) 2427:PowerPC 2415:Copland 2400:MacMach 2393:MachTen 2154:Partial 2100:Unix-RT 2083:MkLinux 2074:Minix 3 2020:support 2009:systems 1983:RTLinux 1977:PowerUP 1960:nucleus 1758:Kernels 1664:Italics 1608:Xenomai 1602:TI-RTOS 1564:VxWorks 1551:Harmony 1454:DioneOS 1425:ThreadX 1394:Nano-RK 1383:FunkOS° 1372:Contiki 1277:4690 OS 1270:4680 OS 1245:ThreadX 1224:Symbian 1156:REAL/32 1038:Partial 995:support 968:^ (OSE) 933:Partial 895:RTLinux 870:Unix-RT 827:support 816:systems 567:Xenomai 486:PowerPC 472:(RISC) 381:VxWorks 353:History 329:) is a 312:.mentor 294:License 234:PowerPC 205:English 176: ( 163:Current 83:scholar 2711:Genode 2705:Cosmos 2683:Zephyr 2588:BeRTOS 2580:Amoeba 2376:hosted 2342:JavaOS 2322:Wombat 2315:REX OS 2308:PikeOS 2302:LLinux 2295:kernel 2253:Midori 2234:CapROS 2223:KeyKOS 2217:GNOSIS 2138:UNICOS 2126:Spring 2107:OS2000 2056:MeikOS 1889:WarpOS 1876:ExecSG 1807:hosted 1769:family 1446:BeRTOS 1431:Zephyr 1415:° Nano 1387:Mynewt 1349:VAXELN 1335:RSX-11 1323:PDP-11 1198:Wombat 1191:REX OS 1184:PikeOS 1178:LLinux 1171:kernel 1149:FlexOS 1108:JavaOS 922:LiteOS 913:LiteOS 877:OS2000 855:LynxOS 807:(RTOS) 656:  416:32-bit 409:16-bit 407:VRTX: 281:Kernel 266:i80386 250:AMD29K 222:i80186 85:  78:  71:  64:  56:  2659:Thoth 2613:µC/OS 2534:Verve 2466:-type 2464:Amiga 2438:Psion 2260:NLTSS 2240:Hydra 2181:NuttX 2132:Tinix 2119:Redox 2062:Minix 2049:Lites 2018:POSIX 1904:ADEOS 1883:Quark 1862:-type 1860:Amiga 1833:Psion 1777:Eumel 1545:Thoth 1538:THEOS 1471:µC/OS 1460:embOS 1342:RT-11 1285:(TPF) 1209:Psion 1051:RTEMS 960:NuttX 825:POSIX 654:S2CID 550:ARM11 546:MCORE 530:] 270:CPU32 238:SPARC 218:i8086 214:Z8002 90:JSTOR 76:books 2824:° = 2816:^ = 2698:kits 2677:VRTX 2668:^ → 2662:^ → 2651:SPIN 2553:Pink 2478:AROS 2446:EPOC 2246:seL4 2229:EROS 2193:RIOT 2145:VSTa 2096:MERT 1970:Opus 1931:Mach 1912:EROS 1870:Exec 1848:EKA2 1842:EKA1 1794:OKL4 1680:° = 1672:^ = 1596:RTAI 1583:kits 1558:VRTX 1548:^ → 1506:pSOS 1489:OS-9 1419:RIOT 1303:DSOS 1218:EKA2 1082:seL4 1075:EROS 1045:eCos 993:TRON 978:RIOT 902:UNOS 866:MERT 844:DNIX 538:ARM7 482:MIPS 444:Mach 399:VRTX 391:and 383:, a 341:and 327:VRTX 314:.com 283:type 262:i860 258:M88K 254:i960 246:M68K 242:RISC 230:MIPS 178:1981 171:1981 62:news 2619:MQX 2187:OSE 2113:QNX 2094:^ ( 2036:ARX 1920:K42 1592:° 2 1513:RMX 1483:MQX 1326:VAX 1320:DEC 1261:IBM 1126:DOS 1105:^ ( 883:QNX 864:^ ( 646:doi 523:P2K 478:ARM 442:'s 310:www 226:ARM 194:SoC 45:by 2865:: 2719:^° 2696:, 2685:^° 2633:^° 2615:^° 2603:^° 2597:^° 2591:^° 2562:→ 2560:OS 2555:→ 2480:° 2456:^° 2454:OS 2449:→ 2362:JX 2357:^) 2324:^° 2304:^° 2293:L4 2279:→ 2273:, 2248:^° 2232:→ 2226:→ 2220:→ 2195:^° 2183:^° 2098:– 2064:° 1991:^° 1934:° 1915:^° 1851:^° 1845:→ 1788:L4 1786:→ 1783:L3 1780:→ 1767:L4 1604:^° 1581:, 1501:^° 1473:^° 1467:^° 1449:^° 1433:^° 1368:^° 1311:^° 1228:^° 1226:OS 1200:^° 1180:^° 1169:L4 1117:^) 1111:+ 1084:^° 1078:^° 980:^° 962:^° 868:– 734:. 716:. 698:. 680:. 652:. 640:. 636:. 617:. 542:3G 528:ru 514:. 507:. 500:. 484:, 480:, 349:. 272:, 268:, 264:, 260:, 256:, 252:, 248:, 244:, 240:, 236:, 232:, 228:, 224:, 220:, 216:, 192:, 2713:° 2707:° 2679:^ 2671:V 2654:° 2646:° 2627:^ 2621:^ 2609:° 2583:° 2529:^ 2498:° 2492:° 2486:° 2425:( 2365:° 2345:( 2318:^ 2310:^ 2277:) 2269:( 2189:^ 2177:^ 2171:^ 2164:^ 2121:° 2115:^ 2102:) 2086:° 2076:° 2070:° 2044:° 1985:° 1955:^ 1940:° 1923:° 1907:° 1796:° 1790:° 1748:- 1738:e 1731:t 1724:v 1610:° 1598:° 1560:^ 1554:^ 1495:) 1491:( 1485:^ 1479:^ 1427:^ 1421:° 1409:^ 1403:^ 1397:° 1389:° 1380:° 1374:° 1247:^ 1194:^ 1186:^ 1053:° 1047:° 974:^ 956:^ 950:^ 944:^ 925:° 897:° 891:° 885:^ 872:) 797:e 790:t 783:v 749:. 666:. 648:: 642:6 325:( 180:) 112:) 106:( 101:) 97:( 87:· 80:· 73:· 66:· 39:.

Index


verification
improve this article
adding citations to reliable sources
"Versatile Real-Time Executive"
news
newspapers
books
scholar
JSTOR
Learn how and when to remove this message
Developer
Ready Systems
Mentor Graphics
Real-time operating systems
Embedded systems
SoC
Available in
Z8002
i8086
i80186
ARM
MIPS
PowerPC
SPARC
RISC
M68K
AMD29K
i960
M88K

Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.