{"id":296331,"date":"2026-10-30T08:13:59","date_gmt":"2026-10-30T08:13:59","guid":{"rendered":"https:\/\/ushopwell.com\/ublog\/bash-zsh-scripting-1-what-is-a-shell-bash-vs-zsh-your-first-script-shebang-and-chmod\/"},"modified":"2026-10-30T08:13:59","modified_gmt":"2026-10-30T08:13:59","slug":"bash-zsh-scripting-1-what-is-a-shell-bash-vs-zsh-your-first-script-shebang-and-chmod","status":"publish","type":"post","link":"https:\/\/ushopwell.com\/ublog\/bash-zsh-scripting-1-what-is-a-shell-bash-vs-zsh-your-first-script-shebang-and-chmod\/","title":{"rendered":"Bash &#038; Zsh Scripting #1: What Is a Shell? Bash vs Zsh, Your First Script, Shebang and chmod"},"content":{"rendered":"<div class=\"youtubomatic-video-container\"><iframe loading=\"lazy\" width=\"580\" height=\"380\" src=\"https:\/\/www.youtube.com\/embed\/lFkWJ7Wd6Bs?autoplay=1&#038;controls=1&#038;hl=en\" frameborder=\"0\" allowfullscreen><\/iframe><\/div>\n<p>Welcome to Shell Scripting: Bash vs Zsh, the terminal, your first script, shebang and chmod. Lesson 1 of the free Bash and Zsh Scripting course from MyWebUniversity, from beginner to advanced, with clear examples you can type and run yourself.<\/p>\n<p>In this lesson you will learn:<br \/>\n\u2022 What Is a Shell?<br \/>\n\u2022 Why Learn Shell Scripting?<br \/>\n\u2022 Your First Script<br \/>\n\u2022 Commands You Already Know<br \/>\n\u2022 Which Shell Am I Using?<\/p>\n<p>Chapters<br \/>\n0: 00 Introduction<br \/>\n0: 08 What Is a Shell?<br \/>\n0: 31 Why Learn Shell Scripting?<br \/>\n0: 48 Your First Script<br \/>\n1: 13 Commands You Already Know<br \/>\n1: 34 Which Shell Am I Using?<br \/>\n1: 53 Keep learning<\/p>\n<p>\ud83c\udf93 Watch the FULL course in one video: <a href=\"https:\/\/youtu.be\/ywBVJYMdMcg\" target=\"_blank\">https:\/\/youtu.be\/ywBVJYMdMcg<\/a><br \/>\n\ud83d\udcc4 Presentation (PDF): <a href=\"https:\/\/www.MyWebUniversity.com\/presentations\/index.html\" target=\"_blank\">https:\/\/www.MyWebUniversity.com\/presentations\/index.html<\/a><\/p>\n<p>\u27a1\ufe0f Next: Lesson 2, Variables and Quoting: <a href=\"https:\/\/youtu.be\/jCdZlMURW24\" target=\"_blank\">https:\/\/youtu.be\/jCdZlMURW24<\/a><\/p>\n<p>The full course<br \/>\n\u2605 Lesson 1: Welcome to Shell Scripting (this video)<br \/>\n\u25b6 Lesson 2: Variables and Quoting: <a href=\"https:\/\/youtu.be\/jCdZlMURW24\" target=\"_blank\">https:\/\/youtu.be\/jCdZlMURW24<\/a><br \/>\n\u25b6 Lesson 3: Input, Output and Redirection: <a href=\"https:\/\/youtu.be\/lDkwn20pI5c\" target=\"_blank\">https:\/\/youtu.be\/lDkwn20pI5c<\/a><br \/>\n\u25b6 Lesson 4: Conditionals and Exit Codes: <a href=\"https:\/\/youtu.be\/fVmRsgv2Mus\" target=\"_blank\">https:\/\/youtu.be\/fVmRsgv2Mus<\/a><br \/>\n\u25b6 Lesson 5: Loops: <a href=\"https:\/\/youtu.be\/UHHQCF2WCLE\" target=\"_blank\">https:\/\/youtu.be\/UHHQCF2WCLE<\/a><br \/>\n\u25b6 Lesson 6: Functions and Arguments: <a href=\"https:\/\/youtu.be\/qxPqyWm74r8\" target=\"_blank\">https:\/\/youtu.be\/qxPqyWm74r8<\/a><br \/>\n\u25b6 Lesson 7: Arrays and String Tricks: <a href=\"https:\/\/youtu.be\/9BISqSlwyus\" target=\"_blank\">https:\/\/youtu.be\/9BISqSlwyus<\/a><br \/>\n\u25b6 Lesson 8: Text Tools in Scripts: <a href=\"https:\/\/youtu.be\/WVzWO3G3XYc\" target=\"_blank\">https:\/\/youtu.be\/WVzWO3G3XYc<\/a><br \/>\n\u25b6 Lesson 9: Error Handling and Debugging: <a href=\"https:\/\/youtu.be\/z8hjDNtOErU\" target=\"_blank\">https:\/\/youtu.be\/z8hjDNtOErU<\/a><br \/>\n\u25b6 Lesson 10: Zsh, Config Files and Your Shell Setup: <a href=\"https:\/\/youtu.be\/y0UxeCx9Hos\" target=\"_blank\">https:\/\/youtu.be\/y0UxeCx9Hos<\/a><br \/>\n\u25b6 Lesson 11: Automation: getopts, cron and Real Scripts: <a href=\"https:\/\/youtu.be\/sedSz9tyY54\" target=\"_blank\">https:\/\/youtu.be\/sedSz9tyY54<\/a><br \/>\n\u25b6 Lesson 12: Best Practices and Next Steps: <a href=\"https:\/\/youtu.be\/eQHlyIdmjM4\" target=\"_blank\">https:\/\/youtu.be\/eQHlyIdmjM4<\/a><\/p>\n<p>Free technical education since 2000 \u2014 2,600+ videos and 50,000+ searchable PDFs in English and Dari:<br \/>\n\ud83c\udf10 <a href=\"https:\/\/www.MyWebUniversity.com\" target=\"_blank\">https:\/\/www.MyWebUniversity.com<\/a><br \/>\n\ud83d\udcfa English: @MyWebUniversity   |   Dari: @MyWebUniversity-Dari<\/p>\n<p>Sources and further reading:<br \/>\n\u2022 GNU Bash Reference Manual \u2014 gnu.org\/software\/bash\/manual<br \/>\n\u2022 Zsh Manual \u2014 zsh.sourceforge.io\/Doc<br \/>\n\u2022 POSIX Shell Command Language (The Open Group) \u2014 pubs.opengroup.org<br \/>\n\u2022 ShellCheck, a free script checker \u2014 shellcheck.net<br \/>\n\u2022 Free courses and PDFs \u2014 MyWebUniversity.com<\/p>\n<p>All illustrations are original artwork made for this video. Narration: AI voice.<\/p>\n<p>#Bash #Programming #MyWebUniversity<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Welcome to Shell Scripting: Bash vs Zsh, the terminal, your first script, shebang and chmod. Lesson 1 of the free Bash and Zsh Scripting course from MyWebUniversity, from beginner to advanced, with clear examples you can type and run yourself. In this lesson you will learn: \u2022 What Is a Shell? \u2022 Why Learn Shell Scripting? \u2022 Your First Script \u2022 Commands You Already Know \u2022 Which Shell Am I&#8230;<\/p>\n","protected":false},"author":1,"featured_media":296332,"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-296331","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Bash &amp; Zsh Scripting #1: What Is a Shell? 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