I backed up my system to the second hard disc using tar -cjvf and bz2.
Got hundreds of these warnings:
tar: /sys/class/tty/tty5/dev: File shrank by 4092 bytes; padding with zeros
The backup file is OK according to the command: bunzip2 -t -v ,
but I'm curious as to what those warnings mean.
Thanks in advance,
I'm guessing it means the file changed size between the time you envoked the tar command and the time tar actually got to this file.
What is the purpose of your backup? Is there a reason you're backing up this tty data?
/sys is the sysfs, it is not a real filesystem that is part of your hard drive/partition. From the top of the sysfs.txt documentation:
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