Skip to content
The Signal Belfry

/static/campanario/en/raridade/incomum/

Menu

This filter is a page

Rarity: uncommon

Anyone who runs systems hears it often; most never noticed.

11 bells on this page

  1. SIG-003 SIGQUIT Ctrl+\ — ends things like its sibling, but leaves a core dump as a keepsake. Termination uncommon
  2. SIG-006 SIGSTOP Freezes the process wherever it stands — and takes no refusal. Stop and resume uncommon
  3. SIG-008 SIGCONT The resume ring: it wakes whatever was frozen. Stop and resume uncommon
  4. SIG-009 SIGCHLD A child has finished — the one notice parents may ignore guilt-free. Stop and resume uncommon
  5. SIG-011 SIGBUS Bus error: the address does exist — it's the access that cannot happen. Program faults uncommon
  6. SIG-012 SIGFPE The “floating-point” exception that is almost never about floating point. Program faults uncommon
  7. SIG-014 SIGABRT The program gives up on itself: abort() rings its own bell. Program faults uncommon
  8. SIG-017 SIGALRM The alarm clock: alarm() winds it up and the kernel rings on schedule. Clocks uncommon
  9. SIG-020 SIGPIPE A write into a pipe with nobody on the other end — which is why head ends the conversation. Resources uncommon
  10. SIG-023 SIGUSR1 A bell with no factory ring: each program agrees on its own meaning. The user's uncommon
  11. SIG-025 SIGWINCH The window changed size — the bell that makes the whole terminal redraw. The user's uncommon