Copy — File & Data Copy Operations Reference

---

name: "copy"

version: "1.0.0"

description: "Copy operations reference — file duplication, rsync patterns, CoW, buffer strategies, and cross-platform sync. Use when duplicating files, syncing directories, or implementing copy-on-write."

author: "BytesAgain"

homepage: "https://bytesagain.com"

source: "https://github.com/bytesagain/ai-skills"

tags: [copy, file, rsync, sync, duplicate, backup, devtools]

category: "devtools"

---

# Copy — File & Data Copy Operations Reference

Quick-reference skill for file copy strategies, rsync patterns, copy-on-write, and cross-platform synchronization.

When to Use

Commands

`intro`

scripts/script.sh intro

Overview of copy operations — types, semantics, and platform differences.

`rsync`

scripts/script.sh rsync

Rsync patterns — common flags, partial transfers, and include/exclude rules.

`cow`

scripts/script.sh cow

Copy-on-Write (CoW) — reflinks, filesystem support, and when to use.

`patterns`

scripts/script.sh patterns

Common copy patterns — mirroring, incremental, differential, snapshot.

`filters`

scripts/script.sh filters

File filtering techniques — by extension, date, size, and gitignore integration.

`performance`

scripts/script.sh performance

Performance optimization — buffer sizes, parallel copy, and I/O tuning.

`errors`

scripts/script.sh errors

Common copy errors, permissions issues, and troubleshooting guide.

`checklist`

scripts/script.sh checklist

Pre-copy and post-copy verification checklist.

`help`

scripts/script.sh help

`version`

scripts/script.sh version

Configuration

| Variable | Description |

|----------|-------------|

| `COPY_DIR` | Data directory (default: ~/.copy/) |

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