tree command a utility used to display the contents of directories in a tree-like, hierarchical format.
tree command may not be pre-installed on all Linux distributions. To install it use
# Debian/Ubuntu
sudo apt install tree
# Display current directory
tree
# Display a specific directory
tree /path/to/directory
Use -d to show only directory
cheulong@master-node:~/parent$ tree -d
.
├── child1
├── child2
├── child3
├── child4
└── child5
Use -f to show full path prefix for each file
cheulong@master-node:~/parent$ tree -f
.
├── ./child1
│ └── ./child1/text.txt
├── ./child2
├── ./child3
├── ./child4
└── ./child5
Use -p to show permission for each file
cheulong@master-node:~/parent$ tree -p
[drwxrwxr-x] .
├── [drwxrwxr-x] child1
│ └── [-rw-rw-r--] text.txt
├── [drwxrwxr-x] child2
├── [drwxrwxr-x] child3
├── [drwxrwxr-x] child4
├── [drwxrwxr-x] child5
└── [-rw-rw-r--] file
Use -L <level to limit the display depth to a specified level.
cheulong@master-node:~/parent$ tree -L 1
.
├── child1
├── child2
├── child3
├── child4
├── child5
└── file
Use -sh to show size for each file
cheulong@master-node:~/parent$ tree -sh
[4.0K] .
├── [4.0K] child1
│ └── [ 0] text.txt
├── [4.0K] child2
├── [4.0K] child3
├── [4.0K] child4
├── [4.0K] child5
└── [ 225] file
Other Option
-a: Include hidden files and directories (those starting with a dot).
-F: Append a forward slash (/) to directory names and an asterisk (*) to executable files.
--prune: Exclude empty directories from the output.
-u: Print the username (or UID) of each file.
-g: Print the group name (or GID) of each file.
Leave a comment if you have any questions.
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