# Help Category: Linux Commands

> Canonical: https://jethost.com/kb/category/linux-commands/ · Results: 40 · Page 1 of 4

JetHost linux commands help shows you how to use basic terminal commands for working with files, directories, permissions, and server management. The articles include clear examples and short explanations, so you can apply each command with confidence.

- [How to use the linux ln command](https://jethost.com/kb/how-to-use-the-linux-ln-command/) — The Linux ln command creates links between files, letting one name point to another file or folder. Links are handy for sharing a single file across locations or giving a long path a short, convenient name. In this article, we will show you the basic usage of the Linux ln command with examples. Hard links vs. symbolic […]
- [How to use the linux wc command](https://jethost.com/kb/how-to-use-the-linux-wc-command/) — The Linux wc command (word count) quickly reports how many lines, words, and bytes a file contains. It is simple, fast, and especially useful in scripts and pipelines when you need to count something. In this article, we will show you the basic usage of the Linux wc command with examples. Basic wc usage First, run wc with a […]
- [How to use the linux export command](https://jethost.com/kb/how-to-use-the-linux-export-command/) — The Linux export command makes a shell variable available to the programs you run from that shell. Without it, a variable stays local to your current session; with it, child processes and scripts can read the value too. In this article, we will show you the basic usage of the Linux export command with examples. What the […]
- [How to use the linux file command](https://jethost.com/kb/how-to-use-the-linux-file-command/) — The Linux file command tells you what a file actually is, rather than guessing from its name. It inspects the contents and reports the real type, which is especially useful in bash scripts and when you deal with files that have the wrong or missing extension. In this article, we will show you the basic usage of […]
- [How to use the linux top command](https://jethost.com/kb/how-to-use-the-linux-top-command/) — The Linux top command is the quickest way to see what your server is doing right now. It shows live RAM and CPU usage, load, and the processes running on your machine, which makes it ideal for monitoring a VPS or dedicated server. In this article, we will show you how to use the Linux top command […]
- [Disable SSH password authentication](https://jethost.com/kb/disable-ssh-password-authentication/) — Choosing to disable SSH password authentication is one of the most effective ways to secure your VPS. Once only SSH keys are allowed, automated bots can no longer brute-force your password, because there is no password login to attack. In this guide, we will show you how to disable SSH password authentication on your server, step by […]
- [How to use the SSH reboot command](https://jethost.com/kb/how-to-use-the-ssh-reboot-command/) — Knowing how to use the SSH reboot command lets you restart your server safely without leaving the terminal. A reboot is often the quickest way to apply a kernel update, clear a stuck process, or finish an installation. In this article, we will show you how to use the SSH reboot command with clear examples. How to […]
- [How to use the SSH pwd command](https://jethost.com/kb/how-to-use-the-ssh-pwd-command/) — Learning how to use the SSH pwd command is one of the first steps to feeling comfortable in the Linux terminal. The pwd command prints your current location in the file system, so you always know exactly where you are before running other commands. In this article, we will show you how to use the SSH pwd command with […]
- [How to use the SSH chmod command](https://jethost.com/kb/how-to-use-the-ssh-chmod-command/) — Learning how to use the SSH chmod command is essential whenever you need to edit the permissions of your files and directories. The topic of ownership and permissions is vast, but you do not need all of it to get started. In this article, we will show you how to use the SSH chmod command with simple, […]
- [How to use the SSH df command](https://jethost.com/kb/how-to-use-the-ssh-df-command/) — Learning how to use the SSH df command is one of the most useful Linux skills for anyone managing a server. The df command shows how much disk space is used and available on your file systems, so you can spot a full disk before it causes problems. In this article, we will show you how to use the […]

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