This one will list all files in <dir> with topmost being oldest modified

find <dir> -type f -print0 | xargs -print0 ls -ltr 

And with this the latest modified is topmost

find <dir> -type f -print0 | xargs -print ls -lt 

Note that this only works if the list of file names doesn't exceed the total command line length limit on your system.

This one will list all files in <dir> with topmost being oldest modified

find <dir> -type f -print0 | xargs -0 ls -ltr 

And with this the latest modified is topmost

find <dir> -type f -print0 | xargs -0 ls -lt 

Note that this only works if the list of file names doesn't exceed the total command line length limit on your system.

This one will list all files in <dir> with topmost being oldest modified

find <dir> -type f | xargs ls -l 

And with this the latest modified is topmost

find <dir> -type f | xargs ls -lt 

This one will list all files in <dir> with topmost being oldest modified

find <dir> -type f -print0 | xargs -print0 ls -ltr 

And with this the latest modified is topmost

find <dir> -type f -print0 | xargs -print ls -lt 

Note that this only works if the list of file names doesn't exceed the total command line length limit on your system.