Commands

How to Use grep in Linux: Search, Filter, and Verify Results

Search Linux files with grep using a reproducible log example. Filter lines and folders, interpret exit codes, and diagnose missing or unwanted matches.

How to Find Files in Linux with the find Command

Use Linux find to search by name, size, type, or time. Learn why matches disappear, how to diagnose errors, and how to pass filenames safely.

Rsync Command Examples: Copy, Sync, and Verify Files on Linux

Copy files locally or over SSH with rsync. Compare trailing-slash results, set exclusions, preview deletions, and verify selected files with SHA-256.

Tar Command in Linux: Create, List, Extract, and Check Archives

Use Linux tar to create, inspect, and extract archives. Learn compression flags, directory paths, safe extraction, common errors, and ways to verify files.

How to Extract tar.gz and tar.xz Files in Linux

Use GNU tar to extract tar.gz and tar.xz files, preview stored paths, choose a fresh destination, verify the result, and diagnose common errors.

How to Create a tar.gz File in Linux

Create a tar.gz archive in Linux, control whether its parent folder appears inside, include hidden files, exclude logs, and check the finished archive.

How to Unzip Files in Linux

Extract ZIP files in Linux with unzip, choose a destination, preserve folders, control overwrites, and verify files with practical examples and error fixes.

Gzip and Gunzip in Linux: Compress, Extract, and Keep Files

Use gzip, gunzip, and -k safely in Linux. Compare .gz, tar.gz, and ZIP; see which files remain, inspect compressed logs, and verify gzip output.

How to Copy Files and Directories with cp in Linux

Copy files and directories with Linux cp. Predict recursive destination paths, include hidden files, control overwrites, and verify the result.

Linux mv Command: Move and Rename Files Safely

Learn how to move and rename files with Linux mv. Predict where directories go, choose an overwrite policy, handle wildcards, and verify the result.