SyncBack is for Windows operating systems only. Note that this does not mean they cannot be used with files and folders that are stored on computers running non-Windows operating systems. For example, SyncBackSE/Pro is able to copy files to and from Linux operated computers. This may rely on appropriate installation and configuration of SMB (a.k.a. 'Samba') on the non-Windows computer to achieve - not all versions of Samba are compatible or bug-free. Search our Knowledge Base for more background.
SyncBack Touch is available for Windows, macOS, Linux and Android. It lets SyncBackPro and SyncBackSE copy files to and from another device, e.g. Windows, macOS, Linux or Android device. SyncBackFree cannot use SyncBack Touch. Simply install SyncBack Touch on the device you want to the access the files on and then create a profile in SyncBackPro/SE to use that device.
Another possibility is to use FTP (or SFTP - SyncBackPro only) to transfer the files. Some non-Windows operating systems may have FTP (etc) server functionality built-in already, and/or FTP (etc) server software can usually be installed on them. Bear in mind using FTP can have its own disadvantages whereby files are not stored with attributes that correctly match the Source copy and cannot be forced-set to achieve this. Search our Knowledge Base on 'ftp' (without the quotes) for more background. Search also on 'fast' for possible workarounds (SyncBackSE/Pro only - not applicable for SyncBack freeware).