It is the Home Directory.
mv file /path/to/directory
The /, or root directory.
The Linux Filesystem Hierarchy is used to help determine the file structure in the Linux Operating System. It defines the Directory structure and directory contents.
rm filenameorrm -r directoryname
Alternate references to a file/directory.
It means that the file or directory is used for application settings.
/etc/apache2
4096
This is a display of file permissions. In particular, it means:drwxrw-r-- - The specified object is a directory, not a filedrwxrw-r-- - The file / directory can be read by its ownerdrwxrw-r-- - The file / directory can be modified by its ownerdrwxrw-r-- - The file / directory can be executed as a binary by its ownerdrwxrw-r-- - The file / directory can be read by members of the specified groupdrwxrw-r-- - The file / directory can be modified by members of the specified group.drwxrw-r-- - The file / directory cannot be executed by members of the specified group.drwxrw-r-- - The file / directory can be read by others not in the group.drwxrw-r-- - The file / directory cannot be modified by others not in the group.drwxrw-r-- - The file / directory cannot be executed by others not in the group.
If the directory you're interested is my_dir, then do: du -sk my_dir/* | sort -nr | head
ls /this/dir/path > dirfile
it is a configaration directory in unix system.max file is in form of database.for example file /ect/passwd is kept information of user name,gruop name,uid,gid, home directory and shell.