However, if you want, you can make tree do that by using the -a command line option.
Suppose you only want the tree command to display directory entries in output. You can do that using the -d command line option. The tree command also lets you control the depth of directory tree produced in output.
This you can do using the -L command line option which requires a numeric value that signifies the permitted directory depth. For example:.
The tree command offers a -I command line option that requires you to pass a pattern as input. For example, I wanted to display only directories, but didn't want any name with 'Ubuntu' pattern case sensitive , so I used the -I command line option in the following way:.
While we've discussed quite a few tree command line options, the fact is this tool offers a lot more features. Once you're done practicing what all we've discussed here, head to the tree command man page to learn more about it.
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This feature is only available to subscribers. Get your subscription here. Useful to colorize output to a pipe.
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Useful for ftp sites. If you want to use colors via CSS stylesheet, use the -C option in addition to this option to force color output. Examples : 1.
By default the tree command is not installed. Output :. If you like GeeksforGeeks and would like to contribute, you can also write an article using contribute. See your article appearing on the GeeksforGeeks main page and help other Geeks.
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Please Improve this article if you find anything incorrect by clicking on the "Improve Article" button below. As the name suggests, the tree command in Linux lists contents of directories in a tree-like format.
tree (command) - Wikipedia
Following is its syntax:. In case the tree command isn't installed in your Ubuntu box, you can grab it using the following command:. Basic usage is fairly easy. Just execute the 'tree' command sans any option. Here's an example:.
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So you can see a tree-like structure was produced in the output. Note that it's the current working directory whose contents are displayed by default. If you want to display contents of any other directory, then you'll have to specify the path to that directory in input.
By default, the tree command doesn't display hidden files. However, if you want, you can make tree do that by using the -a command line option. Suppose you only want the tree command to display directory entries in output. You can do that using the -d command line option.