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Developer(s) Shirouzu Hiroaki[1]
Initial release 28 September 2004 (2004-09-28)
Stable release 2.11 / 19 June 2012; 2 years ago (2012-06-19)[2]
Operating system Windows 98
Windows ME
Windows NT
Windows 2000
Windows XP
Windows 2003
Windows Vista
Windows 7
Platform Microsoft Windows
Available in English/Japanese

FastCopy is free open source (BSD license) computer software, a portable file and directory copier that runs under Microsoft Windows.

There are 32- and 64-bit versions which runs under Windows 98/Me/NT/2000/XP/2003/Vista, and Windows 7. The files comprising 32-bit version 2.11 are about 750kB.[3] It claims to offer fast transfer of files between hard drives and copying of files within the same drive.[citation needed] It can run as a free-standing application or be integrated into the Windows shell.

In a test conducted in 2008 by lifehacker, Fastcopy was several times faster than its rival Teracopy,[4] a program with similar functionality. However, both programs have been updated since then. A more extensive comparison was performed between TeraCopy v2.07beta, KillCopy v2.85, FastCopy v1.99r4, SuperCopier v2.2bet and published on a forum in 2009.[5]

In Microsoft Windows up to and including Windows 7, the Win32 API and any program that uses it (like Microsoft's Windows Explorer) has a limitation of maximum 260 UTF-16 characters (MAX_PATH in windef.h) in file and directory paths when performing file copy and rename (including move or deletion) operations, but not in file access (e.g. execution or reading) operations; but this limitation becomes 32,768 when a program uses its own code over the NT kernel for file operations or unlimited if a program accesses the NTFS file system directly in low-level. FastCopy does not use Microsoft's API and places its own calls to the NT kernel, therefore enabling a user or system administrator to perform file copy, move or delete operations even if the file or directory paths involved exceed 260 characters.


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