How to list directory structure in linux

Linux command tree can list the contents of directory in a tree-like format.

tree dirname

For example , below command show the structure of /tmp dir

root@ubuntu:~# tree /tmp
/tmp
├── config-err-MDhyjU
├── ssh-JFUdmO6X9ocf
│   └── agent.1716
├── systemd-private-e4ab54cd6bcc472a8d3976c48af1f03f-colord.service-B6tUTi
│   └── tmp
├── systemd-private-e4ab54cd6bcc472a8d3976c48af1f03f-ModemManager.service-5cDUVe
│   └── tmp
├── systemd-private-e4ab54cd6bcc472a8d3976c48af1f03f-switcheroo-control.service-5jqUPf
│   └── tmp
├── systemd-private-e4ab54cd6bcc472a8d3976c48af1f03f-systemd-logind.service-zjru2g
│   └── tmp
├── systemd-private-e4ab54cd6bcc472a8d3976c48af1f03f-systemd-resolved.service-UmlVHh
│   └── tmp
├── systemd-private-e4ab54cd6bcc472a8d3976c48af1f03f-systemd-timesyncd.service-KBYWwi
│   └── tmp
├── systemd-private-e4ab54cd6bcc472a8d3976c48af1f03f-upower.service-DOS3Ef
│   └── tmp
├── tracker-extract-files.1000
├── tracker-extract-files.125
├── VMwareDnD
├── vmware-j
│   └── vmware-apploader-2033.log
├── vmware-root
│   ├── vmware-apploader-1065.log
│   ├── vmware-apploader-1100.log
│   ├── vmware-apploader-1117.log
│   ├── vmware-apploader-1163.log
│   ├── vmware-apploader-1224.log
│   ├── vmware-apploader-1231.log
│   ├── vmware-apploader-1241.log
│   ├── vmware-apploader-1256.log
│   └── vmware-apploader-989.log
└── vmware-root_1231-4248221706

21 directories, 12 files

To list directories only , use option “-d”

tree -d /tmp

Use option “-F” to add some “salt” for different type of files

       -F     Append a `/' for directories, a `=' for socket  files,  a  `*'  for  exe-
              cutable  files, a `>' for doors (Solaris) and a `|' for FIFO's, as per ls
              -F