Blog

Ctrl-C: Modern Admins Channeling Ancient Telegraph Tantrums
By Igor / May 8, 2025

Ctrl-C: Modern Admins Channeling Ancient Telegraph Tantrums

The ubiquitous Ctrl-C shortcut for "interrupt" originated from ancient teletype terminals. Early computers communicated over slow, mechanical teleprinters. When bored operators wanted to abruptly cancel transmissions, they hit "Control+C"—the ASCII ETX (End-of-Text) character—to tell the remote end to stop talking already. Decades later, we blindly mash Ctrl-C to halt runaway...

Read More
Kernel Panic: Unix Drama Queens Still Freaking Out After 40 Years
By Igor / May 8, 2025

Kernel Panic: Unix Drama Queens Still Freaking Out After 40 Years

"Kernel panic"—the phrase Unix/Linux admins fear and loathe—comes from an obscure predecessor: Multics. Originally, "panic" was humorously coined by developers to indicate the OS encountered a condition it wasn't supposed to see, causing it to freeze up like a deer in headlights. Bell Labs borrowed the term for Unix, adding...

Read More
Unix shell history: because programmers can’t spell
By Igor / May 8, 2025

Unix shell history: because programmers can’t spell

Unix shells originally didn’t include command history—a nightmarish scenario for fat-fingered sysadmins. Eventually, Bill Joy, plagued by constant typos, hacked together command recall functionality in csh purely from frustration. Other shells reluctantly followed suit. Today, every sysadmin mashes arrow keys mindlessly, blissfully unaware they're celebrating Bill Joy’s famously terrible spelling....

Read More
Tar command: forever confusing new admins with outdated tape terminology
By Igor / May 8, 2025

Tar command: forever confusing new admins with outdated tape terminology

Unix's tar command—short for "tape archive"—is infamous for confusing rookies who've never touched a magnetic tape cartridge. Even today, countless newbies naively run tar commands with odd flags, having no idea they're emulating ancient, spool-driven tape archives from a bygone computing era. Ask a fresh sysadmin about tapes, and they'll...

Read More
The origin of “cron”: Time management, Greek gods, and academia
By Igor / May 8, 2025

The origin of “cron”: Time management, Greek gods, and academia

Every sysadmin curses cron, the stubborn scheduling daemon that endlessly nags servers. Ever wonder about the weird name? Unix pioneer Ken Thompson cribbed it from "Chronos," Greek god of time. Unix tradition dictates short commands, so "Chronos" got brutally shortened into "cron," producing a utility universally loved, loathed, and feared...

Read More
GNU/Linux’s recursive self-referential acronym: RMS’s linguistic prank
By Igor / May 8, 2025

GNU/Linux’s recursive self-referential acronym: RMS’s linguistic prank

GNU famously stands for "GNU's Not Unix," a recursive acronym born from Stallman's stubborn sense of humor. But GNU/Linux isn't alone: Unix culture is littered with tongue-twisting recursive acronyms—Wine ("Wine Is Not an Emulator"), PHP ("PHP: Hypertext Preprocessor"), YAML ("YAML Ain't Markup Language"), and countless others. Stallman's joke spawned an...

Read More