I would like to know the FileSystem is used by Hard Disk/Volume Here one List with some FileSystems: - HFS+ - APFS - NTFS - exFAT - extFS - Ext4 Here the pictures... [![enter image description here][1]][1] [![enter image description here][2]][2] For me that information is not clear. According to Pictures **What File System (from the List) I need to assume?** **EDIT:** sh-3.2# diskutil list /dev/disk7 /dev/disk7 (external, physical): #: TYPE NAME SIZE IDENTIFIER 0: GUID_partition_scheme *1.0 TB disk7 1: EFI EFI 209.7 MB disk7s1 2: Apple_HFS HD710A 999.9 GB disk7s2 sh-3.2# Other command sh-3.2# diskutil info /dev/disk7 Device Identifier: disk7 Device Node: /dev/disk7 Whole: Yes Part of Whole: disk7 Device / Media Name: HD710A Volume Name: Not applicable (no file system) Mounted: Not applicable (no file system) File System: None Content (IOContent): GUID_partition_scheme OS Can Be Installed: No Media Type: Generic Protocol: USB SMART Status: Not Supported Disk Size: 1.0 TB (1000204886016 Bytes) (exactly 1953525168 512-Byte-Units) Device Block Size: 512 Bytes Read-Only Media: No Read-Only Volume: Not applicable (no file system) Device Location: External Removable Media: Fixed Solid State: Info not available Virtual: No sh-3.2# **OTHER EDIT:** sh-3.2# diskutil listFilesystems Formattable file systems These file system personalities can be used for erasing and partitioning. When specifying a personality as a parameter to a verb, case is not considered. Certain common aliases (also case-insensitive) are listed below as well. ------------------------------------------------------------------------------- PERSONALITY USER VISIBLE NAME ------------------------------------------------------------------------------- Case-sensitive APFS APFS (Case-sensitive) (or) APFSX APFS APFS (or) APFSI ExFAT ExFAT Free Space Free Space (or) FREE MS-DOS MS-DOS (FAT) MS-DOS FAT12 MS-DOS (FAT12) MS-DOS FAT16 MS-DOS (FAT16) MS-DOS FAT32 MS-DOS (FAT32) (or) FAT32 HFS+ Mac OS Extended Case-sensitive HFS+ Mac OS Extended (Case-sensitive) (or) HFSX Case-sensitive Journaled HFS+ Mac OS Extended (Case-sensitive, Journaled) (or) JHFSX Journaled HFS+ Mac OS Extended (Journaled) (or) JHFS+ UFSD_NTFS Microsoft NTFS UFSD_EXTFS extFS 2 UFSD_EXTFS3 extFS 3 UFSD_EXTFS4 extFS 4 sh-3.2# [1]: https://i.sstatic.net/2Fbow.png [2]: https://i.sstatic.net/tav3D.png