“kill -l” only returns ZERR

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While trying to send SIGQUIT I got this:



$ kill -s QUIT 4341 
kill: unknown signal: SIGQUIT
kill: type kill -l for a list of signals


And I was very surprised to see this:



$ kill -l
ZERR


So, somehow kill doesn't know all signal names. This is Ubuntu artful (yeah time to upgrade it, but it's another issue)



Obviously I sent SIGQUIT just by using a number 3, but, what could cause kill to forget the signal names?






linux kill






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    up vote
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    down vote

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    While trying to send SIGQUIT I got this:



    $ kill -s QUIT 4341 
    kill: unknown signal: SIGQUIT
    kill: type kill -l for a list of signals


    And I was very surprised to see this:



    $ kill -l
    ZERR


    So, somehow kill doesn't know all signal names. This is Ubuntu artful (yeah time to upgrade it, but it's another issue)



    Obviously I sent SIGQUIT just by using a number 3, but, what could cause kill to forget the signal names?






    linux kill






    share























      up vote
      0
      down vote

      favorite









      up vote
      0
      down vote

      favorite











      While trying to send SIGQUIT I got this:



      $ kill -s QUIT 4341 
      kill: unknown signal: SIGQUIT
      kill: type kill -l for a list of signals


      And I was very surprised to see this:



      $ kill -l
      ZERR


      So, somehow kill doesn't know all signal names. This is Ubuntu artful (yeah time to upgrade it, but it's another issue)



      Obviously I sent SIGQUIT just by using a number 3, but, what could cause kill to forget the signal names?






      linux kill






      share













      While trying to send SIGQUIT I got this:



      $ kill -s QUIT 4341 
      kill: unknown signal: SIGQUIT
      kill: type kill -l for a list of signals


      And I was very surprised to see this:



      $ kill -l
      ZERR


      So, somehow kill doesn't know all signal names. This is Ubuntu artful (yeah time to upgrade it, but it's another issue)



      Obviously I sent SIGQUIT just by using a number 3, but, what could cause kill to forget the signal names?






      linux kill




      linux kill





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      asked 7 mins ago









      Dmitry Frank

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