Linux mkdir Guide

Complete beginner-friendly guide to mkdir on Linux, covering Arch Linux, CachyOS, and other distributions including directory creation, parent directories, and directory management.

---

Table of Contents

1. mkdir Basics
2. Creating Directories
3. Parent Directories
4. Permissions
5. Troubleshooting

---

mkdir Basics

Create Directory

Basic usage:

# Create directory
mkdir newdir

# Creates directory in current location

Multiple Directories

Create multiple:

# Multiple directories
mkdir dir1 dir2 dir3

# Creates all directories

---

Creating Directories

Single Directory

One directory:

# Create one directory
mkdir mydir

# Creates mydir/

Nested Directories

Nested structure:

# Nested directories
mkdir -p path/to/nested/dir

# -p = parents (creates parent directories)

---

Parent Directories

Create Parents

Parent directories:

# Create parent directories
mkdir -p /path/to/new/dir

# -p creates all parent directories if missing

No Error if Exists

Ignore existing:

# No error if exists
mkdir -p existingdir

# -p doesn't error if directory exists

---

Permissions

Set Permissions

Custom permissions:

# Set permissions
mkdir -m 755 mydir

# -m = mode (sets permissions: 755)

Default Permissions

Default mode:

# Uses umask for default permissions
mkdir mydir

# Permissions based on umask

---

Troubleshooting

mkdir Not Found

Check installation:

# mkdir is part of coreutils
# Usually pre-installed

# Check mkdir
which mkdir

---

Summary

This guide covered mkdir usage, directory creation, and directory management for Arch Linux, CachyOS, and other distributions.

---

Next Steps

• rmdir Guide - Remove directories
• cd Guide - Change directory
• ls Guide - List directories
• mkdir Documentation: man mkdir

---

This guide covers Arch Linux, CachyOS, and other Linux distributions. For distribution-specific details, refer to your distribution's documentation.