FastCopy Differential Sync

FastCopy for Linux is a real high-speed multi-buffer file copier, differential
directory synchronization utility, and filesystem I/O benchmark tool.

KEY FEATURES:
• Real Multi-Buffer File Copy & Differential Sync: Supports Diff (Size / Date),
Diff (Newer), Copy (Overwrite All), and Sync (Size / Date + Delete Extra)
using configurable 1 MB, 4 MB, and 8 MB read/write buffers, glob include/exclude
filters, and post-copy size/hash verification.
• Real Disk & Filesystem I/O Bandwidth Benchmark: Executes real Sequential Write
(16 MB), Sequential Read (16 MB), Random 64 KB Chunks Write/Read, and Small
Files Metadata Create/Stat/Delete tests with time.perf_counter() precision,
alongside live os.statvfs and /proc/diskstats telemetry.
• Real Execution Log & Job Profile Manager: Records detailed transfer logs and
manages persistent JSON sync job profiles.

SUPPORT & DONATE:
• Created by Thanh Nguyen — Support ongoing development: https://buymeacoffee.com/thanhnv128b