OS/2 Version 2.0 provides a facility to delay the permanent removal of files that have been deleted. By default, files that are deleted or erased are stored (as hidden system files) in the \DELETE subdirectory. The UNDELETE command gives the user the ability to recover such deleted files and restore them to their original path.
A new environment variable DELDIR is provided to specify the path used to store deleted files. A separate directory and maximum directory size must be specified for each logical disk. The absence of a DELDIR environment variable in the CONFIG.SYS or a DELDIR statement with no path specified will disable the facility.
The function DosForceDelete() has been added to allow files to be deleted permanently without first making them recoverable.