{"id":205367,"date":"2026-04-05T05:30:18","date_gmt":"2026-04-05T05:30:18","guid":{"rendered":"https:\/\/ushopwell.com\/ublog\/day-4-of-100-days-challenge-bash-scripting-basics-for-and-while-loops\/"},"modified":"2026-04-05T05:30:18","modified_gmt":"2026-04-05T05:30:18","slug":"day-4-of-100-days-challenge-bash-scripting-basics-for-and-while-loops","status":"publish","type":"post","link":"https:\/\/ushopwell.com\/ublog\/day-4-of-100-days-challenge-bash-scripting-basics-for-and-while-loops\/","title":{"rendered":"Day 4 of 100 Days challenge Bash Scripting (Basics  For and While loops)"},"content":{"rendered":"<div class=\"youtubomatic-video-container\"><iframe loading=\"lazy\" width=\"580\" height=\"380\" src=\"https:\/\/www.youtube.com\/embed\/LwtkrDm6ofo?autoplay=1&#038;controls=1&#038;hl=en\" frameborder=\"0\" allowfullscreen><\/iframe><\/div>\n<p>\ud83d\ude80 Welcome to my 100 Days Cybersecurity Challenge!  In this series, I\u2019m learning ethical hacking, cybersecurity, and real-world skills from beginner to advanced. Each day, I break down complex topics into simple and practical concepts.  \ud83d\udcbb If you want to become a hacker, cybersecurity expert, or IT professional \u2014 this journey is for you.  \ud83d\udccc Follow along daily and level up your skills step by step.  \ud83d\udc49 Subscribe now and don\u2019t miss the next video.  #cybersecurity #ethicalhacking #hacking #tech #learning #100dayschallenge #ai #shorts<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\ud83d\ude80 Welcome to my 100 Days Cybersecurity Challenge! In this series, I\u2019m learning ethical hacking, cybersecurity, and real-world skills from beginner to advanced. Each day, I break down complex topics into simple and practical concepts. \ud83d\udcbb If you want to become a hacker, cybersecurity expert, or IT professional \u2014 this journey is for you. \ud83d\udccc Follow along daily and level up your skills step by step. \ud83d\udc49 Subscribe now and&#8230;<\/p>\n","protected":false},"author":1,"featured_media":205368,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","tve_updated_post":"","tve_custom_css":"","tve_user_custom_css":"","tve_globals":{},"tcb2_ready":0,"tcb_editor_enabled":0,"tve_landing_page":"","_tve_header":"","_tve_footer":""},"categories":[1],"tags":[],"class_list":["post-205367","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Day 4 of 100 Days challenge Bash Scripting (Basics For and While loops) - UshopWell.com<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/ushopwell.com\/ublog\/day-4-of-100-days-challenge-bash-scripting-basics-for-and-while-loops\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Day 4 of 100 Days challenge Bash Scripting (Basics For and While loops) - UshopWell.com\" \/>\n<meta property=\"og:description\" content=\"\ud83d\ude80 Welcome to my 100 Days Cybersecurity Challenge! In this series, I\u2019m learning ethical hacking, cybersecurity, and real-world skills from beginner to advanced. Each day, I break down complex topics into simple and practical concepts. \ud83d\udcbb If you want to become a hacker, cybersecurity expert, or IT professional \u2014 this journey is for you. \ud83d\udccc Follow along daily and level up your skills step by step. \ud83d\udc49 Subscribe now and...\" \/>\n<meta property=\"og:url\" content=\"https:\/\/ushopwell.com\/ublog\/day-4-of-100-days-challenge-bash-scripting-basics-for-and-while-loops\/\" \/>\n<meta property=\"og:site_name\" content=\"UshopWell.com\" \/>\n<meta property=\"article:published_time\" content=\"2026-04-05T05:30:18+00:00\" \/>\n<meta name=\"author\" content=\"UShopWell\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"UShopWell\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/ushopwell.com\\\/ublog\\\/day-4-of-100-days-challenge-bash-scripting-basics-for-and-while-loops\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/ushopwell.com\\\/ublog\\\/day-4-of-100-days-challenge-bash-scripting-basics-for-and-while-loops\\\/\"},\"author\":{\"name\":\"UShopWell\",\"@id\":\"https:\\\/\\\/ushopwell.com\\\/ublog\\\/#\\\/schema\\\/person\\\/6fd1f9e0ff932e534c86c70d5acff0fc\"},\"headline\":\"Day 4 of 100 Days challenge Bash Scripting (Basics For and While loops)\",\"datePublished\":\"2026-04-05T05:30:18+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/ushopwell.com\\\/ublog\\\/day-4-of-100-days-challenge-bash-scripting-basics-for-and-while-loops\\\/\"},\"wordCount\":90,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\\\/\\\/ushopwell.com\\\/ublog\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/ushopwell.com\\\/ublog\\\/day-4-of-100-days-challenge-bash-scripting-basics-for-and-while-loops\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/ushopwell.com\\\/ublog\\\/wp-content\\\/uploads\\\/2026\\\/04\\\/205367\\\/day-4-of-100-days-challenge-bash-scripting-basics-for-and-while-loops.jpg\",\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/ushopwell.com\\\/ublog\\\/day-4-of-100-days-challenge-bash-scripting-basics-for-and-while-loops\\\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/ushopwell.com\\\/ublog\\\/day-4-of-100-days-challenge-bash-scripting-basics-for-and-while-loops\\\/\",\"url\":\"https:\\\/\\\/ushopwell.com\\\/ublog\\\/day-4-of-100-days-challenge-bash-scripting-basics-for-and-while-loops\\\/\",\"name\":\"Day 4 of 100 Days challenge Bash Scripting (Basics For and While loops) - UshopWell.com\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/ushopwell.com\\\/ublog\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/ushopwell.com\\\/ublog\\\/day-4-of-100-days-challenge-bash-scripting-basics-for-and-while-loops\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/ushopwell.com\\\/ublog\\\/day-4-of-100-days-challenge-bash-scripting-basics-for-and-while-loops\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/ushopwell.com\\\/ublog\\\/wp-content\\\/uploads\\\/2026\\\/04\\\/205367\\\/day-4-of-100-days-challenge-bash-scripting-basics-for-and-while-loops.jpg\",\"datePublished\":\"2026-04-05T05:30:18+00:00\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/ushopwell.com\\\/ublog\\\/day-4-of-100-days-challenge-bash-scripting-basics-for-and-while-loops\\\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/ushopwell.com\\\/ublog\\\/day-4-of-100-days-challenge-bash-scripting-basics-for-and-while-loops\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/ushopwell.com\\\/ublog\\\/day-4-of-100-days-challenge-bash-scripting-basics-for-and-while-loops\\\/#primaryimage\",\"url\":\"https:\\\/\\\/ushopwell.com\\\/ublog\\\/wp-content\\\/uploads\\\/2026\\\/04\\\/205367\\\/day-4-of-100-days-challenge-bash-scripting-basics-for-and-while-loops.jpg\",\"contentUrl\":\"https:\\\/\\\/ushopwell.com\\\/ublog\\\/wp-content\\\/uploads\\\/2026\\\/04\\\/205367\\\/day-4-of-100-days-challenge-bash-scripting-basics-for-and-while-loops.jpg\",\"width\":480,\"height\":360,\"caption\":\"Day 4 of 100 Days challenge Bash Scripting (Basics For and While loops)\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/ushopwell.com\\\/ublog\\\/day-4-of-100-days-challenge-bash-scripting-basics-for-and-while-loops\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/ushopwell.com\\\/ublog\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Day 4 of 100 Days challenge Bash Scripting (Basics For and While loops)\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/ushopwell.com\\\/ublog\\\/#website\",\"url\":\"https:\\\/\\\/ushopwell.com\\\/ublog\\\/\",\"name\":\"UshopWell.com\",\"description\":\"The Premiere Online Marketplace\",\"publisher\":{\"@id\":\"https:\\\/\\\/ushopwell.com\\\/ublog\\\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/ushopwell.com\\\/ublog\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/ushopwell.com\\\/ublog\\\/#organization\",\"name\":\"UshopWell\",\"url\":\"https:\\\/\\\/ushopwell.com\\\/ublog\\\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/ushopwell.com\\\/ublog\\\/#\\\/schema\\\/logo\\\/image\\\/\",\"url\":\"https:\\\/\\\/ushopwell.com\\\/ublog\\\/wp-content\\\/uploads\\\/2018\\\/01\\\/pandaSwea.png\",\"contentUrl\":\"https:\\\/\\\/ushopwell.com\\\/ublog\\\/wp-content\\\/uploads\\\/2018\\\/01\\\/pandaSwea.png\",\"width\":365,\"height\":359,\"caption\":\"UshopWell\"},\"image\":{\"@id\":\"https:\\\/\\\/ushopwell.com\\\/ublog\\\/#\\\/schema\\\/logo\\\/image\\\/\"}},{\"@type\":\"Person\",\"@id\":\"https:\\\/\\\/ushopwell.com\\\/ublog\\\/#\\\/schema\\\/person\\\/6fd1f9e0ff932e534c86c70d5acff0fc\",\"name\":\"UShopWell\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/4adb372cadd43b4d4c57964dab95b0f69618bf960d131c4acf49d96d6bbc9c6e?s=96&d=mm&r=g\",\"url\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/4adb372cadd43b4d4c57964dab95b0f69618bf960d131c4acf49d96d6bbc9c6e?s=96&d=mm&r=g\",\"contentUrl\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/4adb372cadd43b4d4c57964dab95b0f69618bf960d131c4acf49d96d6bbc9c6e?s=96&d=mm&r=g\",\"caption\":\"UShopWell\"},\"url\":\"https:\\\/\\\/ushopwell.com\\\/ublog\\\/author\\\/kburnettu\\\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Day 4 of 100 Days challenge Bash Scripting (Basics For and While loops) - UshopWell.com","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/ushopwell.com\/ublog\/day-4-of-100-days-challenge-bash-scripting-basics-for-and-while-loops\/","og_locale":"en_US","og_type":"article","og_title":"Day 4 of 100 Days challenge Bash Scripting (Basics For and While loops) - UshopWell.com","og_description":"\ud83d\ude80 Welcome to my 100 Days Cybersecurity Challenge! In this series, I\u2019m learning ethical hacking, cybersecurity, and real-world skills from beginner to advanced. Each day, I break down complex topics into simple and practical concepts. \ud83d\udcbb If you want to become a hacker, cybersecurity expert, or IT professional \u2014 this journey is for you. \ud83d\udccc Follow along daily and level up your skills step by step. \ud83d\udc49 Subscribe now and...","og_url":"https:\/\/ushopwell.com\/ublog\/day-4-of-100-days-challenge-bash-scripting-basics-for-and-while-loops\/","og_site_name":"UshopWell.com","article_published_time":"2026-04-05T05:30:18+00:00","author":"UShopWell","twitter_card":"summary_large_image","twitter_misc":{"Written by":"UShopWell"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/ushopwell.com\/ublog\/day-4-of-100-days-challenge-bash-scripting-basics-for-and-while-loops\/#article","isPartOf":{"@id":"https:\/\/ushopwell.com\/ublog\/day-4-of-100-days-challenge-bash-scripting-basics-for-and-while-loops\/"},"author":{"name":"UShopWell","@id":"https:\/\/ushopwell.com\/ublog\/#\/schema\/person\/6fd1f9e0ff932e534c86c70d5acff0fc"},"headline":"Day 4 of 100 Days challenge Bash Scripting (Basics For and While loops)","datePublished":"2026-04-05T05:30:18+00:00","mainEntityOfPage":{"@id":"https:\/\/ushopwell.com\/ublog\/day-4-of-100-days-challenge-bash-scripting-basics-for-and-while-loops\/"},"wordCount":90,"commentCount":0,"publisher":{"@id":"https:\/\/ushopwell.com\/ublog\/#organization"},"image":{"@id":"https:\/\/ushopwell.com\/ublog\/day-4-of-100-days-challenge-bash-scripting-basics-for-and-while-loops\/#primaryimage"},"thumbnailUrl":"https:\/\/ushopwell.com\/ublog\/wp-content\/uploads\/2026\/04\/205367\/day-4-of-100-days-challenge-bash-scripting-basics-for-and-while-loops.jpg","inLanguage":"en-US","potentialAction":[{"@type":"CommentAction","name":"Comment","target":["https:\/\/ushopwell.com\/ublog\/day-4-of-100-days-challenge-bash-scripting-basics-for-and-while-loops\/#respond"]}]},{"@type":"WebPage","@id":"https:\/\/ushopwell.com\/ublog\/day-4-of-100-days-challenge-bash-scripting-basics-for-and-while-loops\/","url":"https:\/\/ushopwell.com\/ublog\/day-4-of-100-days-challenge-bash-scripting-basics-for-and-while-loops\/","name":"Day 4 of 100 Days challenge Bash Scripting (Basics For and While loops) - UshopWell.com","isPartOf":{"@id":"https:\/\/ushopwell.com\/ublog\/#website"},"primaryImageOfPage":{"@id":"https:\/\/ushopwell.com\/ublog\/day-4-of-100-days-challenge-bash-scripting-basics-for-and-while-loops\/#primaryimage"},"image":{"@id":"https:\/\/ushopwell.com\/ublog\/day-4-of-100-days-challenge-bash-scripting-basics-for-and-while-loops\/#primaryimage"},"thumbnailUrl":"https:\/\/ushopwell.com\/ublog\/wp-content\/uploads\/2026\/04\/205367\/day-4-of-100-days-challenge-bash-scripting-basics-for-and-while-loops.jpg","datePublished":"2026-04-05T05:30:18+00:00","breadcrumb":{"@id":"https:\/\/ushopwell.com\/ublog\/day-4-of-100-days-challenge-bash-scripting-basics-for-and-while-loops\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/ushopwell.com\/ublog\/day-4-of-100-days-challenge-bash-scripting-basics-for-and-while-loops\/"]}]},{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/ushopwell.com\/ublog\/day-4-of-100-days-challenge-bash-scripting-basics-for-and-while-loops\/#primaryimage","url":"https:\/\/ushopwell.com\/ublog\/wp-content\/uploads\/2026\/04\/205367\/day-4-of-100-days-challenge-bash-scripting-basics-for-and-while-loops.jpg","contentUrl":"https:\/\/ushopwell.com\/ublog\/wp-content\/uploads\/2026\/04\/205367\/day-4-of-100-days-challenge-bash-scripting-basics-for-and-while-loops.jpg","width":480,"height":360,"caption":"Day 4 of 100 Days challenge Bash Scripting (Basics For and While loops)"},{"@type":"BreadcrumbList","@id":"https:\/\/ushopwell.com\/ublog\/day-4-of-100-days-challenge-bash-scripting-basics-for-and-while-loops\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/ushopwell.com\/ublog\/"},{"@type":"ListItem","position":2,"name":"Day 4 of 100 Days challenge Bash Scripting (Basics For and While loops)"}]},{"@type":"WebSite","@id":"https:\/\/ushopwell.com\/ublog\/#website","url":"https:\/\/ushopwell.com\/ublog\/","name":"UshopWell.com","description":"The Premiere Online Marketplace","publisher":{"@id":"https:\/\/ushopwell.com\/ublog\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/ushopwell.com\/ublog\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"},{"@type":"Organization","@id":"https:\/\/ushopwell.com\/ublog\/#organization","name":"UshopWell","url":"https:\/\/ushopwell.com\/ublog\/","logo":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/ushopwell.com\/ublog\/#\/schema\/logo\/image\/","url":"https:\/\/ushopwell.com\/ublog\/wp-content\/uploads\/2018\/01\/pandaSwea.png","contentUrl":"https:\/\/ushopwell.com\/ublog\/wp-content\/uploads\/2018\/01\/pandaSwea.png","width":365,"height":359,"caption":"UshopWell"},"image":{"@id":"https:\/\/ushopwell.com\/ublog\/#\/schema\/logo\/image\/"}},{"@type":"Person","@id":"https:\/\/ushopwell.com\/ublog\/#\/schema\/person\/6fd1f9e0ff932e534c86c70d5acff0fc","name":"UShopWell","image":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/secure.gravatar.com\/avatar\/4adb372cadd43b4d4c57964dab95b0f69618bf960d131c4acf49d96d6bbc9c6e?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/4adb372cadd43b4d4c57964dab95b0f69618bf960d131c4acf49d96d6bbc9c6e?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/4adb372cadd43b4d4c57964dab95b0f69618bf960d131c4acf49d96d6bbc9c6e?s=96&d=mm&r=g","caption":"UShopWell"},"url":"https:\/\/ushopwell.com\/ublog\/author\/kburnettu\/"}]}},"_links":{"self":[{"href":"https:\/\/ushopwell.com\/ublog\/wp-json\/wp\/v2\/posts\/205367","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ushopwell.com\/ublog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ushopwell.com\/ublog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ushopwell.com\/ublog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/ushopwell.com\/ublog\/wp-json\/wp\/v2\/comments?post=205367"}],"version-history":[{"count":0,"href":"https:\/\/ushopwell.com\/ublog\/wp-json\/wp\/v2\/posts\/205367\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/ushopwell.com\/ublog\/wp-json\/wp\/v2\/media\/205368"}],"wp:attachment":[{"href":"https:\/\/ushopwell.com\/ublog\/wp-json\/wp\/v2\/media?parent=205367"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ushopwell.com\/ublog\/wp-json\/wp\/v2\/categories?post=205367"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ushopwell.com\/ublog\/wp-json\/wp\/v2\/tags?post=205367"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}