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Full Discussion: Copy open active log
Top Forums UNIX for Advanced & Expert Users Copy open active log Post 302993520 by Corona688 on Friday 10th of March 2017 02:54:37 PM
Old 03-10-2017
It must be a sparse file, to blow up like that when copied. Compare ls -lh nohup.out with du -hs nohup.out, if they differ significantly, nohup.out is sparse.

As for why nohup.out is sparse, have you been truncating the file while its still live? This will cause large amounts of empty space at the beginning of the file since the process will continue writing at the "end". They won't be stored on disk, just assumed to be there, until you copy it.

That problem will need to be taken care of before you can copy the file.
 

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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 /dev/null. 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. GNU coreutils online help: <http://www.gnu.org/software/coreutils/> Report nohup translation bugs to <http://translationproject.org/team/> AUTHOR
Written by Jim Meyering. COPYRIGHT
Copyright (C) 2013 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
The full documentation for nohup is maintained as a Texinfo manual. If the info and nohup programs are properly installed at your site, the command info coreutils 'nohup invocation' should give you access to the complete manual. GNU coreutils 8.22 June 2014 NOHUP(1)
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