> For the complete documentation index, see [llms.txt](https://hacking-notes.jord4n.pro/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://hacking-notes.jord4n.pro/es/hacking-tools/calculators.md).

# Calculadoras

Esta sección agrupa calculadoras de búsqueda rápida para tareas comunes de pentesting y administración. Cada página usa tablas de GitBook con capacidad de búsqueda, para que puedas escribir el valor que necesitas e ir directamente al resultado.

## Índice de calculadoras

<table data-view="cards" data-full-width="false" data-search="true"><thead><tr><th></th><th></th><th></th><th data-hidden data-card-target data-type="content-ref"></th></tr></thead><tbody><tr><td><h3><i class="fa-network-wired" style="color:$primary;">:network-wired:</i></h3></td><td><h4>Calculadora de subnetting</h4></td><td>Busca rangos CIDR, máscaras de subred, máscaras comodín, cantidad de hosts, tamaño de bloque y ejemplos de subnetting.</td><td><a href="/pages/506bdef0435ccf6cf4dd7f57ab7cb834b759482a">/pages/506bdef0435ccf6cf4dd7f57ab7cb834b759482a</a></td></tr><tr><td><h3><i class="fa-key" style="color:$primary;">:key:</i></h3></td><td><h4>Calculadora de permisos de Linux</h4></td><td>Convierte permisos octales a notación simbólica, revisa los bits SUID/SGID/sticky e identifica el impacto en la escalada de privilegios.</td><td><a href="/pages/8ffdcc22cb77fcb00cc122352f0c87793ecfee9d">/pages/8ffdcc22cb77fcb00cc122352f0c87793ecfee9d</a></td></tr><tr><td><h3><i class="fa-clock" style="color:$primary;">:clock:</i></h3></td><td><h4>Calculadora de expresiones cron</h4></td><td>Busca expresiones cron comunes, lee su significado en lenguaje natural y revisa comprobaciones de escalada de privilegios de cron.</td><td><a href="/pages/2745d06b672cf57eeadb2b806ef5989593e6a1b4">/pages/2745d06b672cf57eeadb2b806ef5989593e6a1b4</a></td></tr></tbody></table>

## Uso rápido

| Necesita                            | Buscar                                |
| ----------------------------------- | ------------------------------------- |
| Máscara de red y cantidad de hosts  | `/24`, `/27`, `/30`                   |
| Conversión de permisos de Linux     | `755`, `644`, `4755`, `rwxr-xr-x`     |
| Significado de la programación cron | `*/5 * * * *`, `0 0 * * *`, `@reboot` |


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