# XWHQSJ/ebooks

A repository for  ebooks， including C, C plus plus, Linux Kernel, Compiler, OS, Algorithm, Security, Database, Network, ML and DL

Repository: https://github.com/XWHQSJ/ebooks
Canonical: https://ross.abutalabs.com/products/xwhqsj-ebooks
Language: C
License Family: other
Topics: ebooks, algorithm, linux-kernel, cpp, c, compiler, os, security, database, network, ml, dl
Last push: 2020-07-12T14:23:10+00:00

## Health v2 (maintenance only)
Score: 32/100 (v2, computed 2026-09-02T17:46:02.011165+00:00)
- activity 0, release rhythm 35, longevity 100
- inputs: {"age_days": 2702, "days_push": 2243, "days_rel": null, "gap_med": null, "n_releases_24m": 0}
- flags: no_releases, no_license
- formula: round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10)

## Adoption (not part of the score)
Stars 1029, forks 399 (observed 2026-08-28T04:03:17.606687+00:00)

## What it is
A curated collection of computer science ebooks in PDF format covering C, C++, Linux kernel, compilers, operating systems, algorithms, security, databases, networking, and machine learning. It is a reference repository of learning materials rather than software.

## Use cases
- find free computer science ebooks
- learn C and C++ from classic books
- study Linux kernel internals
- learn compiler design
- download algorithm textbooks
- machine learning and deep learning reading materials

## When to choose
- you want a curated set of classic CS textbooks in one place
- you prefer reading Chinese-language editions of well-known books
- you need offline reference material across many CS topics

## When to avoid
- you need interactive tutorials or courses rather than PDFs
- you require a license-clear source of books
- you need up-to-date, actively maintained content

## Facets
- artifact type: learning-resource
- maturity: maintenance
- function: documentation
- domain: tutorials, developer-tools, operating-systems, compilers, security, databases, machine-learning
- platform: cross-platform
- tags: ebooks, pdf-books, c, cpp, linux-kernel, computer-science, chinese-language, algorithms

## Member repositories
- XWHQSJ/ebooks (main) score 32

## Provenance
- Observed fields: from GitHub, fetched 2026-08-28T04:03:17.606687+00:00.
- Health v2: computed from the inputs above; adoption is never an input.
- Inferred fields (summary, facets, guidance): AI-extracted, prompt v1, taxonomy v1, on 2026-08-30T07:07:37.928008+00:00, confidence not recorded.
  - readme: https://github.com/XWHQSJ/ebooks (fetched 2026-08-28T04:03:17.606687+00:00, sha 36731f8063c8)
- Data as of 2026-08-30T08:39:29.467469+00:00.