Guía rápida del Comando df: aprende a ver y entender el uso del espacio en disco en Linux, interpretar tamaños y bloques, y aplicar opciones útiles para una gestión eficiente del sistema.
Quick guide to the df command: learn to view and understand disk space usage in Linux, interpret sizes and blocks, and apply useful options for efficient system management.
Suggested Reading

Practice Makes Perfect: Basic Spanish by Dorothy Richmond

No Nonsense Spanish Workbook by Eric W. Vogt & My Daily Spanish

The Everything Learning Spanish Book by Julie Gutin

Collins Easy Learning: Spanish Conversation by Collins Dictionaries

Practice Makes Perfect: Spanish Conversation by Jean Yates

Madrigal's Magic Key to Spanish by Margarita Madrigal

Spanish All-In-One For Dummies by Susana Wald & Cecie Kraynak

Easy Spanish Step-By-Step by Barbara Bregstein

Barron’s 501 Spanish Verbs by Christopher Kendris and Theodore Kendris

Complete Spanish Step-By-Step by Barbara Bregstein

Practice Makes Perfect: Complete Spanish Grammar by Gilda Nissenberg