WinSCP can be downloaded in the form of standalone Portable executables. The executables in the Portable executables package are identical to the executables in an Installation package. The difference is that the installer pre-configures the executables to override their default portable behaviour.
On startup the Portable executables look for an INI file in the directory from which it was started. The INI file must have an
.ini extension and the same name as the executable. If it does not find any, it tries to create one with default configuration (if it fails to do so it uses registry, preventing portable use). This allows you to easily carry WinSCP with your configuration on removable media or USB drive.
You may also use INI file in different folder or with different name using /ini switch.
With default configuration WinSCP still stores some temporary data on the file system of the host computer. You can configure WinSCP to be completely portable though. i.e. make it store all its files and configuration in one place - a portable drive (such as USB drive).
WinSCP stores by default these files to the host computer:
winscp.rndin your Documents and Settings folder);
To change the storage directly in an INI file to the same location, where WinSCP is started from, set following parameters:
[Configuration\Interface] RandomSeedFile=.\winscp.rnd DDTemporaryDirectory=.\
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