So far, our experiments have shown that R-Studio is able to recover data even in the most severe situations, be they accidental or malicious. In our experiments, R-Studio performed data recovery for more than 100 different file systems in combination with the most frequent recovery scenarios such as editing, moving and copying files. Additionally, it was able to recover data from various file systems such as FAT, NTFS, exFAT, exFAT (v2.1), HFS, HFS+ (v. 1.0 and v.2.2), UFS, HFS+, ISO9660, Joliet, UDF and Linux.
We used the following machine for the experiments:
Intel Core 2 Duo 2.0 GHz, 2 GB RAM, 64-bit Windows XP, 5 GB disk space.
Each trial was conducted in three phases: initialization, test and cleanup. The aim of the initialization phase was to prepare the machine for the actual recovery process and ensure that no interference from previous recovery attempts will influence the results. The cleanup phase, on the other hand, was to make sure that there were no errors left in the machine's memory, disk, or registry.
Before starting each recovery trial, we first removed the partition that contains the tested partition from our computer to ensure that the partition's file system's inodes would be updated with the correct location information. We also removed all other partitions, as we are assuming that the file systems of all the partitions are already broken.
In the test phase, we tested R-Studio to recover lost data from the partition that contains the affected file systems. As mentioned earlier, R-Studio was able to recover data from many file systems, which can be seen in [Table 1](#tbl1){ref-type="table"}. In addition, it was able to recover data from various file systems such as FAT, NTFS, exFAT, exFAT (v2.1), HFS, HFS+ (v. 1.0 and v.2.2), UFS, HFS+, ISO9660, Joliet, UDF and Linux.Table 1.Recovery results for the different file systems and file systems versions.File systemFile system versionRecovered dataRecovery successFATFAT98.9%(S)8/8FAT32.9%(S)6/8(U)6/8NTFSNTFS31
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