在哪裡可以找到有關 Linux 信號的詳細文件？

當我們這樣做時，kill -l我們會得到一個所有受支持信號的列表，但是是否有任何手冊頁詳細描述了每個信號？

是的man 7 signal，除其他外，它包括下表：

  Signal     Value     Action   Comment
  ──────────────────────────────────────────────────────────────────────
  SIGHUP        1       Term    Hangup detected on controlling terminal
                                or death of controlling process
  SIGINT        2       Term    Interrupt from keyboard
  SIGQUIT       3       Core    Quit from keyboard
  SIGILL        4       Core    Illegal Instruction
  SIGABRT       6       Core    Abort signal from abort(3)
  SIGFPE        8       Core    Floating point exception
  SIGKILL       9       Term    Kill signal
  SIGSEGV      11       Core    Invalid memory reference
  SIGPIPE      13       Term    Broken pipe: write to pipe with no
                                readers
  SIGALRM      14       Term    Timer signal from alarm(2)
  SIGTERM      15       Term    Termination signal
  SIGUSR1   30,10,16    Term    User-defined signal 1
  SIGUSR2   31,12,17    Term    User-defined signal 2
  SIGCHLD   20,17,18    Ign     Child stopped or terminated
  SIGCONT   19,18,25    Cont    Continue if stopped
  SIGSTOP   17,19,23    Stop    Stop process
  SIGTSTP   18,20,24    Stop    Stop typed at terminal
  SIGTTIN   21,21,26    Stop    Terminal input for background process
  SIGTTOU   22,22,27    Stop    Terminal output for background process

引用自：https://unix.stackexchange.com/questions/275960