Difference between xcopy and robocopy

Question

I'm kind of new to batch scripting. As a newbie I find both both of them useful while scripting What are the key differences between xcopy and robocopy?

Answer 1

Robocopy replaces XCopy in the newer versions of windows

1. Uses Mirroring, XCopy does not
2. Has a /RH option to allow a set time for the copy to run
3. Has a /MON:n option to check differences in files
4. Copies over more file attributes than XCopy

Yes i agree with Mark Setchell, They are both crap. (brought to you by Microsoft)

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UPDATE:

XCopy return codes:

0 - Files were copied without error. 1 - No files were found to copy. 2 - The user pressed CTRL+C to terminate xcopy. enough memory or disk space, or you entered an invalid drive name or invalid syntax on the command line. 5 - Disk write error occurred. 

Robocopy returns codes:

0 - No errors occurred, and no copying was done. The source and destination directory trees are completely synchronized. 1 - One or more files were copied successfully (that is, new files have arrived). 2 - Some Extra files or directories were detected. No files were copied Examine the output log for details.  3 - (2+1) Some files were copied. Additional files were present. No failure was encountered. 4 - Some Mismatched files or directories were detected. Examine the output log. Some housekeeping may be needed. 5 - (4+1) Some files were copied. Some files were mismatched. No failure was encountered. 6 - (4+2) Additional files and mismatched files exist. No files were copied and no failures were encountered. This means that the files already exist in the destination directory 7 - (4+1+2) Files were copied, a file mismatch was present, and additional files were present. 8 - Some files or directories could not be copied (copy errors occurred and the retry limit was exceeded). Check these errors further. 16 - Serious error. Robocopy did not copy any files. Either a usage error or an error due to insufficient access privileges on the source or destination directories. 

There is more details on Robocopy return values here: http://ss64.com/nt/robocopy-exit.html