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| -rw-r--r-- | doc/coreutils.texi | 22 |
1 files changed, 17 insertions, 5 deletions
diff --git a/doc/coreutils.texi b/doc/coreutils.texi index 147788681..a759448a3 100644 --- a/doc/coreutils.texi +++ b/doc/coreutils.texi @@ -10935,10 +10935,8 @@ nohup @var{command} [@var{arg}]@dots{} @end example @flindex nohup.out -@command{nohup} increases the scheduling priority of @var{command} by 5, so -it has a slightly smaller chance to run. If standard output is a terminal, -it and standard error are redirected so that they are appended to the -file @file{nohup.out}; if that cannot be written to, they are appended +If standard output is a terminal, it is redirected so that it is appended +to the file @file{nohup.out}; if that cannot be written to, it is appended to the file @file{$HOME/nohup.out}. If that cannot be written to, the command is not run. @@ -10947,13 +10945,27 @@ If @command{nohup} creates either @file{nohup.out} or access permissions. It does not change the permissions if the output file already existed. +If standard error is a terminal, it is redirected to the same file +descriptor as the standard output. + @command{nohup} does not automatically put the command it runs in the background; you must do that explicitly, by ending the command line -with an @samp{&}. +with an @samp{&}. Also, @command{nohup} does not change the +scheduling priority of @var{command}; use @command{nice} for that, +e.g., @samp{nohup nice @var{command}}. The only options are @option{--help} and @option{--version}. @xref{Common options}. +@cindex exit status of @command{nohup} +Exit status: + +@display +126 if @var{command} was found but could not be invoked +127 if @command{nohup} itself failed or if @var{command} could not be found +the exit status of @var{command} otherwise +@end display + @node su invocation @section @command{su}: Run a command with substitute user and group id |