[{"data":1,"prerenderedAt":278},["ShallowReactive",2],{"notice":3,"post-what-exactly-is-linux":30},{"id":4,"title":5,"body":6,"description":22,"extension":23,"meta":24,"navigation":25,"path":26,"seo":27,"stem":28,"__hash__":29},"page\u002Fnotice.md","Site relaunch",{"type":7,"value":8,"toc":18},"minimark",[9],[10,11,12,13,17],"p",{},"🎉 ",[14,15,16],"strong",{},"Welcome to the all-new Red ALT Key site",", rebuilt from scratch! Video Notes are back, as well as a proper accessibility panel in the header. Still polishing corners — thanks for bearing with us.",{"title":19,"searchDepth":20,"depth":20,"links":21},"",2,[],"🎉 Welcome to the all-new Red ALT Key site, rebuilt from scratch! Video Notes are back, as well as a proper accessibility panel in the header. Still polishing corners — thanks for bearing with us.","md",{},true,"\u002Fnotice",{"title":5,"description":22},"notice","VKMJnU1ySGlgFLHqcmtMB3LTbmKa7RxzFMeX2jhSEc4",{"id":31,"title":32,"body":33,"date":267,"description":268,"extension":23,"image":269,"meta":270,"navigation":25,"path":271,"readingTime":272,"seo":273,"stem":274,"tags":275,"videoUrl":269,"__hash__":277},"posts\u002Fposts\u002Fwhat-exactly-is-linux.md","What Exactly Is Linux?",{"type":7,"value":34,"toc":261},[35,38,43,54,61,65,68,102,106,209,212,216,219,258],[10,36,37],{},"If you spend any time around home labs, servers, or open-source software, you'll hear \"Linux\" constantly — but a surprising number of people using it every day (unknowingly, via Android or their router) couldn't tell you what it actually is. Let's fix that.",[39,40,42],"h2",{"id":41},"its-not-an-operating-system-its-a-kernel","It's Not an Operating System — It's a Kernel",[10,44,45,46,49,50,53],{},"Strictly speaking, \"Linux\" refers to the ",[14,47,48],{},"kernel",": the core piece of software that talks directly to your hardware and manages memory, processes, and devices. What most people call \"Linux\" is really ",[14,51,52],{},"GNU\u002FLinux"," — the kernel bundled with the GNU tools, a package manager, a desktop environment (or none at all), and thousands of other pieces of software into something you can actually install and use.",[10,55,56,57,60],{},"That bundling is why there isn't just one \"Linux\" — there are ",[14,58,59],{},"distributions"," (or \"distros\"): Ubuntu, Fedora, Debian, Arch, and hundreds more, each making different decisions about defaults, package management, and philosophy.",[39,62,64],{"id":63},"the-defining-traits","The Defining Traits",[10,66,67],{},"A few things set Linux apart from proprietary systems:",[69,70,71,78,84,90,96],"ul",{},[72,73,74,77],"li",{},[14,75,76],{},"Open source."," The source code is public. Anyone can read it, modify it, audit it, or fork it into a new distro.",[72,79,80,83],{},[14,81,82],{},"Free (usually in both senses)."," Most distributions cost nothing and place no licensing restrictions on how you use them.",[72,85,86,89],{},[14,87,88],{},"The command line is a first-class citizen."," Linux gives you enormous control through the terminal — intimidating at first, genuinely powerful once it clicks.",[72,91,92,95],{},[14,93,94],{},"Security and stability."," Linux underpins the vast majority of the world's web servers precisely because it can run for months (or years) without a reboot.",[72,97,98,101],{},[14,99,100],{},"Hardware flexibility."," Linux runs on everything from a Raspberry Pi to a decade-old laptop to a data center rack — architectures Windows and macOS simply don't touch.",[39,103,105],{"id":104},"linux-vs-windows-vs-macos","Linux vs. Windows vs. macOS",[107,108,109,127],"table",{},[110,111,112],"thead",{},[113,114,115,118,121,124],"tr",{},[116,117],"th",{},[116,119,120],{},"Linux",[116,122,123],{},"Windows",[116,125,126],{},"macOS",[128,129,130,147,162,177,193],"tbody",{},[113,131,132,138,141,144],{},[133,134,135],"td",{},[14,136,137],{},"Cost",[133,139,140],{},"Free (most distros)",[133,142,143],{},"Paid license",[133,145,146],{},"Requires Apple hardware",[113,148,149,154,157,160],{},[133,150,151],{},[14,152,153],{},"Source",[133,155,156],{},"Open",[133,158,159],{},"Closed",[133,161,159],{},[113,163,164,169,172,175],{},[133,165,166],{},[14,167,168],{},"Customization",[133,170,171],{},"Extremely high (swap desktop environments entirely)",[133,173,174],{},"Limited",[133,176,174],{},[113,178,179,184,187,190],{},[133,180,181],{},[14,182,183],{},"Software library",[133,185,186],{},"Growing fast, some proprietary gaps",[133,188,189],{},"Largest",[133,191,192],{},"Strong, Apple-ecosystem focused",[113,194,195,200,203,206],{},[133,196,197],{},[14,198,199],{},"Hardware support",[133,201,202],{},"Runs almost anywhere",[133,204,205],{},"Modern PCs",[133,207,208],{},"Apple hardware only",[10,210,211],{},"Neither is \"better\" in a vacuum — it depends on what you're optimizing for. If you want to learn how computers actually work, run a home server on hardware that would otherwise be e-waste, or just want more control, Linux is hard to beat.",[39,213,215],{"id":214},"where-to-start","Where to Start",[10,217,218],{},"If this is your first time touching Linux, don't install it as your only OS on day one. Instead:",[220,221,222,233,255],"ol",{},[72,223,224,225,228,229,232],{},"Spin up a distro like ",[14,226,227],{},"Ubuntu"," or ",[14,230,231],{},"Linux Mint"," in a virtual machine (VirtualBox or Proxmox both work great).",[72,234,235,236,240,241,240,244,240,247,250,251,254],{},"Get comfortable with basic terminal commands (",[237,238,239],"code",{},"ls",", ",[237,242,243],{},"cd",[237,245,246],{},"sudo",[237,248,249],{},"apt","\u002F",[237,252,253],{},"dnf",").",[72,256,257],{},"Break something. Seriously — the fastest way to learn Linux is to fix what you broke.",[10,259,260],{},"That's exactly how most of the projects on this channel start.",{"title":19,"searchDepth":20,"depth":20,"links":262},[263,264,265,266],{"id":41,"depth":20,"text":42},{"id":63,"depth":20,"text":64},{"id":104,"depth":20,"text":105},{"id":214,"depth":20,"text":215},"2026-08-03","A beginner-friendly breakdown of what Linux actually is, why it exists, and how it stacks up against Windows and macOS.",null,{},"\u002Fposts\u002Fwhat-exactly-is-linux","6 min read",{"title":32,"description":268},"posts\u002Fwhat-exactly-is-linux",[120,276],"Fundamentals","gNMoX-uyHWZEXSQgPv1L8_LC_OR8GE7JlphkyNHcEUA",1788843378949]