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True. But the change still has to be saved somewhere

Hi All,

I am wondering how does the hostname command decides what is the actual hostname. Where does the command take the information from?

You can do something like this:

cat file1 | while read line ; do
grep -qw $line file2
if [ $? -eq 0 ] ; then
echo $line
fi
done

Hi RubinPat,
How are you writing to a file? $ command >> filename.txt will append the output of the command to an existent file.
$ command > filename.txt will create a new file or overwrite an...

Its is not clear if you want to move all files (the subject) or only X number of files.
For all files: $ mv <Path to SRC DIR>/* <Path to DST DIR>/
For only X files you can do something like this:...