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GNU Parallel
Raised as a usability problem by 14 people on Hacker News over 11 years (2016–2026), in 9 threads.
People raised many different problems with GNU Parallel, but no single problem has yet been raised by 3 people in 3 different months and threads.
Unreviewed issues were grouped by machine: Claude Haiku labelled each comment as a usability complaint, named what it's about and summed up the problem in a line, and a small model grouped similar problems. Nobody has checked them by hand. Expect mistakes.
The newest 17 complaints
- Confusing, obnoxious messages and broken Ctrl+C handling with delays2026-07-21
- Must accept a EULA on each new system before it runs, which is annoying2026-07-21
- Shows a long citation notice, hangs for minutes, and Ctrl+C leaves an orphaned process2026-07-21
- Confusing messages, broken Ctrl+C handling, and a long delay before first use2026-07-21
- Shows an unwanted citation manifesto that is hard to turn off, then hangs and leaves background processes2026-07-20
- Commenter finds GNU parallel hard to use and unsure if using it correctly2025-09-27
- Default behaviors never match needs, so each use requires consulting the man page2023-08-21
- Couldn't find the right command syntax quickly, so wrote a shell script instead2023-08-21
- Nag message requires state to disable, annoying users who must repeatedly dismiss it2023-03-19
- Default setup is extremely slow and users must hunt for an unlisted flag to fix it2022-04-08
- Repeatedly nags users about citation, and silencing it requires creating a per-tool prefs file2022-04-03
- Nag screen interrupts use and pushes user to switch tools2022-04-02
- Needs a 12-page manual and hard-to-remember incantations to get working2019-08-17
- Nag message appears in script output and wastes users' time, even after disabling it locally2019-03-22
- Different argument syntax from the BSD/macOS version makes it hard to use portably as a build tool2019-03-07
- Documentation is user-unfriendly and hard to get through2016-12-26
- First run requires interactive EULA acceptance, breaking automation and scripts2016-07-02