Mastering the tree Command in Linux
Mastering the tree Command in Linux
The tree command in Linux provides a visual representation of your directory structure in a tree-like format. In this tutorial, we’ll go through creating a nested folder structure and exploring how to use tree with different flags to inspect it.
1. Installing tree
First, install tree using the package manager if it's not already available:
sudo apt install tree -y2. Creating a Sample Directory Structure
We’ll create a directory named parent with multiple levels of nested folders and files:
mkdir -p parent/child1/grandchild1/greatgrandchild1
mkdir -p parent/child2/grandchild2
mkdir -p parent/child3
touch parent/file1.txt
touch parent/child1/file2.txt
touch parent/child1/grandchild1/file3.md
touch parent/child2/file4.log
touch parent/child2/grandchild2/file5.py
touch parent/child3/file6.html3. Exploring with tree
Basic Usage
Navigate to the parent directory and run tree:
cd parent
treeLimit Display Depth
Use the -L flag to control the depth of directory levels shown:
tree -L 2Show File Sizes and Permissions
Use -p for permissions and -h for human-readable file sizes:
tree -phDisplay Only Directories
tree -dSort by Modification Time
tree -tSave the Output to a File
tree -L 3 > directory_structure.txtRead the Saved File
cat directory_structure.txtConclusion
The tree command is a powerful way to visualize and document filesystem hierarchies. Whether you're auditing a project structure or preparing documentation, it's a handy tool every Linux user should know.
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