02-05-2004
Interestingly enough, I would've thought the only limit was disk space, but then I found one of Perderabo's posts from last summer. I forgot that directories are themselves files and that all files might have a max size.
https://www.unix.com/unix-for-dummies-questions-and-answers/10548-linux-solaris-has-any-limit-folder-size.html?s=
But after reading it, it pretty much looks like the same as what Optimus_P said ... you'll probably run out of usable disk space before you run into any of these other limits on a directory.
Of course, if you keep putting so many files in one directory, you're gonna run into other problems trying to manipulate them (even simple things like just listing all the files).
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UKOPP(1) Ukopp man page UKOPP(1)
NAME
Ukopp - copy files to USB stick or other disk or disk-like device
SYNOPSIS
ukopp [ -nogui ] [ -job | -run ] jobfile
DESCRIPTION
Ukopp is a graphical menu-driven program operating in its own
window. Ukopp copies the files and directories specified in the
job file to disk or disk-like media (e.g. USB stick).
OVERVIEW
Ukopp works incrementally: only files that are not already identical
on the target media are copied (new and modified files or files newly
added to the backup job). Files/directories to include or exclude can
be selected from the file system hierarchy, using a GUI navigator.
Specifications are saved in a job file which can be re-edited and/or
executed. Ukopp can be run in batch mode using the -nogui option.
Ukopp can optionally keep old file versions instead of replacing them
with updated versions. The retention time and/or the number of old
versions to keep can be specified for each selected file or directory.
File owners and permissions are retained even if the copy media has a
Microsoft file system.
Summary of functionality:
- Copy files incrementally with optional file version retention.
- Three media verification modes: full, incremental, compare.
- Report disk:backup differences in detail or summary form.
- Select and restore files from backup media or use drag and drop.
OPTIONS
Command line options:
[ -job ] jobfile open job file for editing
[ -nogui ] -run jobfile execute a job file
SEE ALSO
The online user manual is available using the menu Help > contents.
This manual explains Ukopp operation in great detail.
AUTHORS
Written by Michael Cornelison <kornelix2@googlemail.com>
Linux 2010-10-01 UKOPP(1)