{"id":3534,"date":"2022-08-30T10:10:00","date_gmt":"2022-08-30T08:10:00","guid":{"rendered":"https:\/\/www.recordinformatica.it\/?page_id=3534"},"modified":"2025-07-30T15:56:04","modified_gmt":"2025-07-30T13:56:04","slug":"what-is-as-400_en","status":"publish","type":"page","link":"https:\/\/www.recordinformatica.it\/en\/what-is-as-400_en.htm","title":{"rendered":"What is AS\/400?"},"content":{"rendered":"<p>[vc_row el_class=&#8221;fake_breadcrumbs&#8221;][vc_column][vc_column_text]<strong>Consultancy &gt;<\/strong> AS\/400[\/vc_column_text][\/vc_column][\/vc_row][vc_row][vc_column][vc_column_text]<\/p>\n<div id=\"destra\">\n<div id=\"destra\">\n<div id=\"attachment_4418\" style=\"width: 310px\" class=\"wp-caption alignleft\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-4418\" class=\"wp-image-4418 size-medium\" src=\"https:\/\/www.recordinformatica.it\/wp-content\/uploads\/2023\/02\/AS400-300x192.gif\" alt=\"AS\/400 Family\" width=\"300\" height=\"192\" \/><p id=\"caption-attachment-4418\" class=\"wp-caption-text\">AS\/400 Family<\/p><\/div>\n<p>The AS\/400 is a computer manufactured by IBM, particularly suitable for running business management programs.<\/p>\n<p>It is a midrange multi-user computer whose commercialization began in 1988.<\/p>\n<p>By &#8220;multi-user&#8221;, as the word already suggests, we mean a computer capable of serving more than one user, that is, at the same time, more than one user of the programs active on the computer.<\/p>\n<\/div>\n<\/div>\n<p>[\/vc_column_text][\/vc_column][\/vc_row][vc_row css=&#8221;.vc_custom_1598552355050{margin-top: 20px !important;}&#8221;][vc_column][vc_column_text]By &#8220;midrange class&#8221;, instead, we mean a type of computer of greater power than personal computers.<\/p>\n<p>The AS\/400 is therefore a computer suitable to serving from a single user, up to tens of thousands simultaneously in the execution of business management programs (accounting, billing, etc.).<\/p>\n<p>If you wish to continue reading about the general features of the AS\/400, click <a href=\"https:\/\/www.recordinformatica.it\/en\/history-of-as-400_en.htm\">here<\/a>.<\/p>\n<p>Otherwise, you can click on one of the topics below:<\/p>\n<ul>\n<li><a href=\"https:\/\/www.recordinformatica.it\/en\/download-as-400_en.htm\"><u>Download AS\/400<\/u><\/a><\/li>\n<li><a href=\"https:\/\/www.recordinformatica.it\/en\/viewing-demo_en.htm\"><u>View a demo of AS\/400<\/u><\/a><\/li>\n<li><a href=\"https:\/\/www.recordinformatica.it\/en\/as-400-operative-system_en.htm\"><u>What is the operating system of the AS\/400<\/u><\/a><\/li>\n<li><a href=\"https:\/\/www.recordinformatica.it\/en\/applications-as-400_en.htm\"><u>Programs\/Applications for AS\/400<\/u><\/a><\/li>\n<li><a href=\"https:\/\/www.recordinformatica.it\/en\/as-400-price_en.htm\"><u>Price of the AS\/400<\/u><\/a><\/li>\n<li><a href=\"https:\/\/www.recordinformatica.it\/en\/future-of-as-400_en.htm\"><u>Future of the AS\/400<\/u><\/a><\/li>\n<li><a href=\"https:\/\/www.recordinformatica.it\/en\/used-as-400_en.htm\"><u>AS\/400 Used<\/u><\/a><\/li>\n<li><a href=\"https:\/\/www.recordinformatica.it\/en\/maintenance-as-400_en.htm\"><u>Maintenance AS\/400<\/u><\/a><\/li>\n<li><a href=\"https:\/\/www.recordinformatica.it\/en\/learning-to-use-as-400_en.htm\"><u>Learning to use AS\/400<\/u><\/a><\/li>\n<li><a href=\"https:\/\/www.recordinformatica.it\/en\/as400-iseries-systemi-os400-i5os_manuali-htm.htm\"><u>AS\/400 Manuals<\/u><\/a><\/li>\n<li><a href=\"https:\/\/www.recordinformatica.it\/en\/program-on-as-400_en.htm\"><u>Programming on the AS\/400<\/u><\/a><\/li>\n<li><a href=\"https:\/\/www.recordinformatica.it\/en\/link-as-400_.htm\"><u>Link AS\/400<\/u><\/a><\/li>\n<\/ul>\n<p>[\/vc_column_text][\/vc_column][\/vc_row]<\/p>\n","protected":false},"excerpt":{"rendered":"<p>[vc_row el_class=&#8221;fake_breadcrumbs&#8221;][vc_column][vc_column_text]Consultancy &gt; AS\/400[\/vc_column_text][\/vc_column][\/vc_row][vc_row][vc_column][vc_column_text] The AS\/400 is a computer manufactured by IBM, particularly suitable for running business management programs. It<\/p>\n","protected":false},"author":7,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-3534","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Brief explanation to the question: What is AS\/400?<\/title>\n<meta name=\"description\" content=\"A presentation of the IBM AS\/400 computer ( iSeries - IBM i ), its evolution over the years, the main technical characteristics and methods of use.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.recordinformatica.it\/en\/what-is-as-400_en.htm\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Brief explanation to the question: What is AS\/400?\" \/>\n<meta property=\"og:description\" content=\"-1201\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.recordinformatica.it\/en\/what-is-as-400_en.htm\" \/>\n<meta property=\"og:site_name\" content=\"Record Informatica\" \/>\n<meta property=\"article:modified_time\" content=\"2025-07-30T13:56:04+00:00\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:title\" content=\"2\" \/>\n<meta name=\"twitter:image\" content=\"https:\/\/www.recordinformatica.it\/wp-content\/uploads\/2023\/02\/AS400.gif\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.recordinformatica.it\\\/en\\\/what-is-as-400_en.htm\",\"url\":\"https:\\\/\\\/www.recordinformatica.it\\\/en\\\/what-is-as-400_en.htm\",\"name\":\"Brief explanation to the question: What is AS\\\/400?\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.recordinformatica.it\\\/it\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/www.recordinformatica.it\\\/en\\\/what-is-as-400_en.htm#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/www.recordinformatica.it\\\/en\\\/what-is-as-400_en.htm#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.recordinformatica.it\\\/wp-content\\\/uploads\\\/2023\\\/02\\\/AS400-300x192.gif\",\"datePublished\":\"2022-08-30T08:10:00+00:00\",\"dateModified\":\"2025-07-30T13:56:04+00:00\",\"description\":\"A presentation of the IBM AS\\\/400 computer ( iSeries - 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