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I agree with pvaldes, it seems like you are not using at correctly. In fact, I'm surprised at is not returning an error immediately. I have tried three Unix flavors and get an error when I do not specify a time.

me@myaixbox:/home/me/sandbox $ at -f 1.pl at: 0481-110 Command usage error; a parameter is missing. me@myaixbox:/home/me/sandbox $ uname AIX
me@mylinuxbox:~/sandbox $ at -f 1.pl Garbled time me@mylinuxbox:~/sandbox $ uname Linux
userid@somebox:/tmp/tmp.66 # at -f 1.pl bad time specification userid@somebox:/tmp/tmp.66 # uname HP-UX

In reply to Re: system command is not working by jffry
in thread system command is not working by gulla

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