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README.md

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+# sloptop
+
+`sloptop` is a Rust TUI resource monitor for Linux.
+
+## Features
+
+- CPU usage (total + per-core in detailed view)
+- Memory and swap usage
+- Disk usage per mounted disk
+- Network throughput (RX/TX bytes per second) and totals
+- Process count, uptime, host, and 1-minute load average
+- Adjustable refresh interval and pause/resume
+- Responsive layout for narrow terminals
+
+## Build
+
+Prerequisites:
+- Rust toolchain (`rustc` + `cargo`)
+
+Build optimized binary:
+
+```bash
+cargo build --release
+```
+
+Binary path:
+
+```bash
+./target/release/sloptop
+```
+
+## Run
+
+Default refresh interval is 1000 ms:
+
+```bash
+cargo run -- --interval-ms 1000
+```
+
+Accepted interval range: `200..=5000` ms.
+
+## Keybindings
+
+- `q` / `Esc`: quit
+- `p` / `Space`: pause/resume sampling
+- `+` / `=`: increase refresh interval by 200 ms
+- `-`: decrease refresh interval by 200 ms
+- `d`: toggle detailed view (shows per-core CPU list)
+
+## Notes
+
+- Target platform is Linux.
+- Network throughput is computed as a delta between consecutive samples.
+- Disk and network metrics are system-wide aggregates.
+
+## Next steps
+
+- Add top-process table with sorting/filtering
+- Add historical sparklines and alert thresholds
+- Extend platform-specific support and testing for macOS/Windows