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Full Discussion: can't execute a shell script
Top Forums UNIX for Dummies Questions & Answers can't execute a shell script Post 302501989 by Scott on Sunday 6th of March 2011 10:15:42 AM
Old 03-06-2011
A : would mean "true". I tested a . in bash (not in Ubuntu) and it throws an error.

If your user was missing a home directory, you probably just forgot to specify it when running useradd.

You obviously resolved that using mkdir, chown and chmod.

I'm confused (it doesn't always take much to confuse me!), but where exactly is your problem, and what has nohup to do with it? (except that if you had run it nohup, the output would go to nohup.out by default)

You said you couldn't execute the script, but clearly you can if it's an infinite loop.

Try changing the . to a :. Otherwise perhaps you have an alias for date that's expecting some input (that would make the script seem "infinite")?
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LEARN ABOUT XFREE86

nohup

NOHUP(1)                                                           User Commands                                                          NOHUP(1)

NAME

       nohup - run a command immune to hangups, with output to a non-tty

SYNOPSIS

       nohup COMMAND [ARG]...
       nohup OPTION

DESCRIPTION

       Run COMMAND, ignoring hangup signals.

       --help display this help and exit

       --version
              output version information and exit

       If  standard  input  is a terminal, redirect it from an unreadable file.  If standard output is a terminal, append output to 'nohup.out' if
       possible, '$HOME/nohup.out' otherwise.  If standard error is a terminal, redirect it to standard output.   To  save  output  to  FILE,  use
       'nohup COMMAND > FILE'.

       NOTE: your shell may have its own version of nohup, which usually supersedes the version described here.  Please refer to your shell's doc-
       umentation for details about the options it supports.

AUTHOR

       Written by Jim Meyering.

REPORTING BUGS

       GNU coreutils online help: <http://www.gnu.org/software/coreutils/>
       Report nohup translation bugs to <http://translationproject.org/team/>

COPYRIGHT

       Copyright (C) 2017 Free Software Foundation, Inc.  License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>.
       This is free software: you are free to change and redistribute it.  There is NO WARRANTY, to the extent permitted by law.

SEE ALSO

       Full documentation at: <http://www.gnu.org/software/coreutils/nohup>
       or available locally via: info '(coreutils) nohup invocation'

GNU coreutils 8.28                                                 January 2018                                                           NOHUP(1)
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