I found this executable testdisk in version 8.2 /usr/bin - clicking on it gives choices Executable or Execute in Terminal
clicking either does nothing - what should i be doing?
complete newbie
Dell J7TNV HBA330 12GBPS Adapter PCIe Raid Controller Card Low Profile w60
$19.99
ORICO 5 Bay Raid SATA Hard Drive Enclosure USB 3.0 Docking Station Safety Lock
$155.24
Dell MegaRaid SAS 9440-8i 12GB/s Tri-Mode NVMe/SATA/SAS Raid Controller 0YW3J6
$59.00
Dell 5CT6D / 70K80 PERC H710 6GB/s RAID Controller w/ Battery
$12.99
Dell KMCCD PERC H730 mini Mono 1GB RAID Controller 0KMCCD with Battery
$19.59
LSI MegaRAID 9361-8i PCIe 3.0 x8 SATA SAS 8-Port 12Gb/s RAID + BBU & CacheVault
$69.95
Adaptec AEC-82885T 36-Port SAS-3 12Gbps Expander firmware B059
$59.34
Dell PERC H740P Mini 12Gb 8Gb SAS RAID Controller w/Battery - 5FMY4 - 05FMY4
$49.95
Dell Perc H330 GDJ3J UCSB-900 12Gbps SAS Mini Mono Raid Card
$9.76
Dell PERC H730 1GB Mini Mono RAID Controller Card w/Battery Dell P/N: 0KMCCD
$21.99