: Short for FortiGate , the primary firewall product line from Fortinet. vm64 : Indicates this is a 64-bit Virtual Machine image.

The KVM version of FortiGate is popular because of its native compatibility with open-source virtualization.

| Segment | Meaning | Implication | |---------|---------|--------------| | fgt | FortiGate (Fortinet’s NGFW) | The core product | | vm64 | 64-bit virtual machine | Requires x86_64 host | | kvm | Kernel-based Virtual Machine | Native Linux hypervisor | | v6build1010 | FortiOS version 6.0, build 1010 | A specific patch level (circa 2018–2019) | | fortinetout | Likely fortinet-out or console output | Refers to logging/serial output for debugging | | kvmzip | Zipped disk image for KVM | File contains .qcow2 or .img | | better | Comparative – improved over raw install | Implies tuning, SR-IOV, CPU pinning, etc. |

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