What is tar-compression?

A guide to creating, inspecting, compressing, and extracting tar archives. A tar archive bundles files and folders into one file, optionally compressed with gzip, bzip2, or xz.

Use it to package folders, unpack downloaded archives, list or search their contents, compress files, and create simple incremental backups.

It makes common archive and backup tasks easier to perform correctly from the command line, including excluding files and preserving permissions.

tar-compression — Skill for Claude Code and Codex by chaterm

Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

Any agent

npx skills add chaterm/terminal-skills --skill tar-compression

Clone the repo

git clone --depth 1 https://github.com/chaterm/terminal-skills

Made for: Claude Code, Codex.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

README.md

[![agentmods](https://agentmods.dev/badge/skills/chaterm/terminal-skills/tar-compression/github.svg)](https://agentmods.dev/skills/chaterm/terminal-skills/tar-compression)

Your own site

<a href="https://agentmods.dev/skills/chaterm/terminal-skills/tar-compression"><img src="https://agentmods.dev/badge/skills/chaterm/terminal-skills/tar-compression/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

Your own site · 80×15

<a href="https://agentmods.dev/skills/chaterm/terminal-skills/tar-compression"><img src="https://agentmods.dev/badge/skills/chaterm/terminal-skills/tar-compression.svg" alt="Reviewed on agentmods" width="80" height="20"></a>

Per session 9 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.

When invoked 1,543 The whole file, excluding the scripts and references it only reads on demand.

Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.

Origin original No closer match found in the catalogue.

Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

Model	Per session	Once invoked
Fable 5.1	$0.00009	$0.01543
Opus 5	$0.00005	$0.00772
Sonnet 5	$0.00002	$0.00309
Haiku 4.5	$0.00001	$0.00154

Measured 9d ago against content hash a8f19069141a, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-09, from the pricing page.

Security

Grade A, and why

tar-compression scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 9d ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

backup/tar-compression/SKILL.md · 246 lines

How it starts

The opening of the file, as written. The whole thing — 246 lines — stays where its author put it; the contents beside it link to each section on GitHub.

归档与压缩

概述

tar/gzip/xz 归档压缩、分卷备份技能。

tar 基础

创建归档

# 创建 tar 归档
tar -cvf archive.tar /path/to/dir

# 创建并 gzip 压缩
tar -czvf archive.tar.gz /path/to/dir

# 创建并 bzip2 压缩
tar -cjvf archive.tar.bz2 /path/to/dir

# 创建并 xz 压缩
tar -cJvf archive.tar.xz /path/to/dir

# 多个目录/文件
tar -czvf archive.tar.gz dir1 dir2 file1.txt

解压归档

# 解压 tar
tar -xvf archive.tar

# 解压 gzip
tar -xzvf archive.tar.gz

# 解压 bzip2
tar -xjvf archive.tar.bz2

# 解压 xz
tar -xJvf archive.tar.xz

# 解压到指定目录
tar -xzvf archive.tar.gz -C /target/dir

查看内容

# 列出内容
tar -tvf archive.tar
tar -tzvf archive.tar.gz

# 搜索文件
tar -tzvf archive.tar.gz | grep "filename"

常用选项

# 排除文件/目录
tar -czvf archive.tar.gz --exclude='*.log' --exclude='cache' /path

# 从文件读取排除列表
tar -czvf archive.tar.gz --exclude-from=exclude.txt /path

# 保留权限
tar -czvf archive.tar.gz --preserve-permissions /path

# 增量备份
tar -czvf archive.tar.gz --newer='2024-01-01' /path

压缩工具

gzip

# 压缩
gzip file.txt              # 生成 file.txt.gz，删除原文件
gzip -k file.txt           # 保留原文件
gzip -9 file.txt           # 最高压缩率

# 解压
gunzip file.txt.gz
gzip -d file.txt.gz

# 查看压缩文件
zcat file.txt.gz
zless file.txt.gz
zgrep "pattern" file.txt.gz

bzip2

# 压缩
bzip2 file.txt
bzip2 -k file.txt          # 保留原文件
bzip2 -9 file.txt          # 最高压缩率

# 解压
bunzip2 file.txt.bz2
bzip2 -d file.txt.bz2

# 查看
bzcat file.txt.bz2

xz

# 压缩
xz file.txt
xz -k file.txt             # 保留原文件
xz -9 file.txt             # 最高压缩率
xz -T 4 file.txt           # 多线程

# 解压
unxz file.txt.xz
xz -d file.txt.xz

# 查看
xzcat file.txt.xz

zstd

# 压缩
zstd file.txt
zstd -19 file.txt          # 最高压缩率
zstd -T0 file.txt          # 自动多线程

# 解压
unzstd file.txt.zst
zstd -d file.txt.zst

分卷备份

split 分割

# 按大小分割
split -b 100M archive.tar.gz archive.tar.gz.part_

# 按行分割
split -l 10000 largefile.txt part_

# 合并
cat archive.tar.gz.part_* > archive.tar.gz

tar 分卷

# 创建分卷
tar -czvf - /path/to/dir | split -b 100M - backup.tar.gz.part_

# 解压分卷
cat backup.tar.gz.part_* | tar -xzvf -

Read the full file on GitHub · 246 lines

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

9d ago First seen · 246 lines · 9 tokens per session scan A a8f19069141a

Subscribe to this mod's changes

tar-compression is a skill published in the GitHub repository chaterm/terminal-skills (58 stars, last pushed 6mo ago), licensed Apache-2.0. It adds 9 tokens to every session and 1,543 once invoked, about $0.0000 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.

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