All About Linux.

After a command is installed, its name may be clear while the executable’s location is not. The which command searches directories in PATH, the list of places used to find commands, and prints the path of a matching executable. You’ll learn how to look up a command and what to check when which prints no

An unfamiliar directory can contain several layers of folders, making its contents harder to scan. The tree command displays those folders and their files in a branching hierarchy. This article covers installing tree and tailoring its output with depth limits and name filters. TL;DR The tree command prints a directory and its contents as an

When Linux storage is running low, locating large files gives you paths to inspect. The find command searches a chosen directory for files above a size threshold. This article shows how to set that threshold and rank matching files by apparent size. It also explains when du helps compare directory usage. TL;DR: Find large files

Fetching a URL from a Linux shell can leave you deciding whether the response should go into a file or appear in the terminal. Wget and curl are command-line tools for transferring data to and from URLs, and they handle output differently by default. This article compares which command fits common transfer tasks and shows

A report can be long when you only need to check its newest records. The Linux tail command prints the end of a file, with options to start at a chosen line or byte count. I’ll show how to select the part of a file to read and how to follow new log entries. TL;DR: