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Old 10-26-2009, 07:23 PM   #1
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cp -X command


What is -X means?

cp -X filename location

Old 10-26-2009, 07:33 PM   #2
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Hi, Just type cp --help
glenn@GamesBox:~$ cp --help (27-10 10:30)
Usage: cp [OPTION]... [-T] SOURCE DEST
Copy SOURCE to DEST, or multiple SOURCE(s) to DIRECTORY.

Mandatory arguments to long options are mandatory for short options too.
-a, --archive same as -dR --preserve=all
--backup[=CONTROL] make a backup of each existing destination file
-b like --backup but does not accept an argument
--copy-contents copy contents of special files when recursive
-d same as --no-dereference --preserve=links
-f, --force if an existing destination file cannot be
opened, remove it and try again (redundant if
the -n option is used)
-i, --interactive prompt before overwrite (overrides a previous -n
-H follow command-line symbolic links in SOURCE
-l, --link link files instead of copying
-L, --dereference always follow symbolic links in SOURCE
-n, --no-clobber do not overwrite an existing file (overrides
a previous -i option)
-P, --no-dereference never follow symbolic links in SOURCE
-p same as --preserve=mode,ownership,timestamps
--preserve[=ATTR_LIST] preserve the specified attributes (default:
mode,ownership,timestamps), if possible
additional attributes: context, links, xattr,
--no-preserve=ATTR_LIST don't preserve the specified attributes
--parents use full source file name under DIRECTORY
-R, -r, --recursive copy directories recursively
--remove-destination remove each existing destination file before
attempting to open it (contrast with --force)
--sparse=WHEN control creation of sparse files
--strip-trailing-slashes remove any trailing slashes from each SOURCE
-s, --symbolic-link make symbolic links instead of copying
-S, --suffix=SUFFIX override the usual backup suffix
-t, --target-directory=DIRECTORY copy all SOURCE arguments into DIRECTORY
-T, --no-target-directory treat DEST as a normal file
-u, --update copy only when the SOURCE file is newer
than the destination file or when the
destination file is missing
-v, --verbose explain what is being done
-x, --one-file-system stay on this file system
--help display this help and exit
--version output version information and exit

By default, sparse SOURCE files are detected by a crude heuristic and the
corresponding DEST file is made sparse as well. That is the behavior
selected by --sparse=auto. Specify --sparse=always to create a sparse DEST
file whenever the SOURCE file contains a long enough sequence of zero bytes.
Use --sparse=never to inhibit creation of sparse files.

The backup suffix is `~', unless set with --suffix or SIMPLE_BACKUP_SUFFIX.
The version control method may be selected via the --backup option or through
the VERSION_CONTROL environment variable. Here are the values:

none, off never make backups (even if --backup is given)
numbered, t make numbered backups
existing, nil numbered if numbered backups exist, simple otherwise
simple, never always make simple backups

As a special case, cp makes a backup of SOURCE when the force and backup
options are given and SOURCE and DEST are the same name for an existing,
regular file.

Report cp bugs to
GNU coreutils home page: <>
General help using GNU software: <>
Report cp translation bugs to <>
glenn@GamesBox:~$ (27-10 10:31)
Cheers Glenn
Old 10-27-2009, 11:04 AM   #3
Registered: Jun 2009
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Originally Posted by GlennsPref View Post
Hi, Just type cp --help

Cheers Glenn

I did this before posting.

I do not see the capital -X option.

Old 10-27-2009, 11:18 AM   #4
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It probably doesn't exist, then.
Old 10-27-2009, 11:45 AM   #5
john test
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Yea I did cp -X and it shows X as an invalid option. Thats on my Ubuntu box. Your mileage may vary.
Old 10-27-2009, 04:08 PM   #6
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Hi, as the other posters have said, cp -X does not exist.

These tools are not Distribution specific, but rather GNU/Linux tools.

I wonder if you read that command being used as an example, where "replace X with appropriate switch" may have been assumed.

I hope this helps you.

some useful links to quick commands and tutes....

regards Glenn


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