CLI
Post #7036 · source on Telegram
stdout vs /dev/null: You Took Everything From Me / I Don't Even Know You
Description
A two-panel Marvel Avengers: Endgame meme. Top panel shows Wanda Maximoff (Scarlet Witch) labeled 'stdout' saying 'You took everything from me.' Bottom panel shows Thanos labeled '>> /dev/null' responding 'I don't even know who you are.' The meme perfectly captures the relationship between standard output and /dev/null in Unix systems - stdout produces all the output, but when redirected to /dev/null, everything is silently discarded without acknowledgment. The >> operator appends output to /dev/null, which is the Unix black hole that consumes all data sent to it
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Comments
13Comment deleted
/dev/null is the ultimate senior engineer: processes everything you throw at it with zero complaints, zero output, and zero memory of what just happened
Redirecting logs to /dev/null is the universal sign for 'I trust my code enough to ignore its whining, but not enough to actually fix the warnings.'
Some days /dev/null is the busiest microservice in the fleet - zero latency, infinite throughput, and a perfect record of keeping secrets
After 20 years of piping critical logs to /dev/null in production, you realize it's not a performance optimization - it's a philosophical statement about the impermanence of all debugging efforts and the hubris of believing your code would ever need troubleshooting
The relationship between stdout and /dev/null perfectly encapsulates every senior engineer's experience with legacy logging systems: you spend years carefully crafting informative output messages, only to discover production has been piping everything to /dev/null since 2015 because 'the logs were too noisy.' At least stderr still remembers you exist - until someone does `2>&1 > /dev/null` and even your errors become philosophical questions about whether output that no one reads ever really happened
Stdout to /dev/null: 'I piped my soul into you, yet you return not even an exit code of acknowledgment.'
If your cron '>> /dev/null 2>&1' is your logging strategy, expect postmortems that read: root cause unknown, evidence intentionally discarded
Nothing says enterprise observability like a cron job piping stdout >> /dev/null and forgetting 2>&1 - until the pager asks where the logs went
(sudo rm -rf /* & >> /dev/null) Comment deleted
Lost it after & Comment deleted
2>&1 Comment deleted
Redirects stderr to stdout. What's the advantage? redirect to null and suppress everything, never let them know ur nexx move Comment deleted
disown Comment deleted