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<chapter>
<title>File Management</title>
<para>
This chapter presents the basic elements of the
Nautilus file manager, and its basic file functions
and features. Nautilus is designed to make file
management transparent and intuitive-and, in
the process, more productive.
</para>
<para>
Chapter One is presented in six sections:
<itemizedlist>
<listitem><para>
Launching Nautilus
</para></listitem>
<listitem><para>
Nautilus Elements
</para></listitem>
<listitem><para>
Navigating and Viewing Your System
</para></listitem>
<listitem><para>
Navigating the Network
</para></listitem>
<listitem><para>
Manipulating Files
</para></listitem>
</itemizedlist>
</para>
<sect1>
<title>Launching Nautilus</title>
<para>
Nautilus can be launched from three locations:
from the GNOME main menu, where the Nautilus
menu item can be found under Applications; from
the GNOME desktop itself; or from the Panel.
</para>
<figure>
<title>Nautilus Icon</title>
<graphic fileref="" scale="50"></graphic>
</figure>
<para>
If you wish to put the Nautilus icon (Figure 1), on
your desktop, select the Nautilus menu item and,
holding down the left mouse button, drag it to the
desktop.
</para>
<para>
Probably the easiest way to launch Nautilus is
from the GNOME panel (Figure 2). To place the
icon there, drag the menu item, as above, to an
empty space on the panel at the bottom of the
screen. This method has the advantage of speed:
the panel is nearly always present, and is at most
only a click away. The icon itself needs only one
click to launch Nautilus.
</para>
<figure>
<title>The Nautilus Icon on the Panel, between Netscape and the Pager</title>
<graphic fileref="" scale="50"></graphic>
</figure>
<para>
To launch Nautilus, click once on the menu item,
or panel icon, or twice on the desktop icon.
</para>
</sect1>
<sect1>
<title>Nautilus Elements</title>
<para>
The major elements of the Nautilus file manager
include, in the upper part, the menu bar, tool bar
and location bar, and below, the sidebar and the
main window (Figure 3).
</para>
<para>
The menu bar is used to access the pull-down
menus, which are the most complete source of
Nautilus tools and features. The tool bar provides
quick access to Nautilus' most common
navigation and search tools, and Eazel Services.
The location bar displays system directory
location, LAN location, and Internet location-
depending on where Nautilus is looking at the
given moment.
</para>
<para>
The main window is the main viewing area for the
system's directories and files, as well as the area
where directories and files are generally manipu-
lated. It is capable of showing files in several
formats, and includes file information such as
size, type, and date last modified.
</para>
<figure>
<title>Main Nautilus Elements</title>
<graphic fileref="" scale="50"></graphic>
</figure>
<para>
The sidebar provides a tree view of directories
and sub-directories, as well as a history view
(recently viewed files and directories), and a
variety of Linux help documents.
</para>
</sect1>
<sect1>
<title>Navigating and Viewing The System</title>
<para>
Nautilus offers several methods to navigate the
system. Typing a directory address into the
location bar will point Nautilus toward that
location. The directional arrows on the tool bar
provide a simpler method to navigate back,
forward, and up through the system: they function
exactly as in a browser. Clicking on a directory
icon in the main window will open that directory.
Finally, clicking the collapsible branches of the
sidebar's tree-view allows the user to graphically
view and navigate the directory tree.
</para>
<para>
The file manager minimizes the necessity of
opening applications by identifying many file
types graphically. Viewer components allow
several common document types to be displayed
without launching a separate application, and a
zoom feature provides one-click zooming in and
out in the main window. Sound files in certain
common formats can even be previewed by
simply passing the mouse over the file icon.
</para>
<sect2>
<title>The Initial Screen and Hardware Overview</title>
<para>
The first screen to appear (Figure 4), shows the
contents of your home directory. In this example,
the user has logged in under their own name-
John-so the home directory is /home/john.
Linux follows the UNIX convention for home
directories: if the user had logged in as Susan, the
home directory would be /home/susan; when
logged in as the root user, the home directory is root.
</para>
<para>
The file manager identifies this directory in two
ways: as a traditional command line directory
address in the location bar, and as a captioned
folder icon in the sidebar.
</para>
<figure>
<title>The Start Screen</title>
<graphic fileref="" scale="50"></graphic>
</figure>
<para>
Among the contents of the screen are a Nautilus
folder. This folder, when clicked, takes the user to
/home/john/Nautilus, Figure 5. Among the
contents of the folder are: a small HTML file
containing information about Nautilus; a services
icon which, when double-clicked, takes you
directly to Eazel Services (covered in Chapter
Three), and a computer icon which leads to a
Hardware Overview of your system, Figure 6.
</para>
<figure>
<title>The Contents of /home/john/Nautilus, with the Computer and
Services Icons.</title>
<graphic fileref="" scale="50"></graphic>
</figure>
<para>
The hardware overview shows the details of the
computer's central processor unit, including the
manufacturer, the model, the calculated speed in
MHz and the cache size. It also shows the amount
of system RAM, and the models of the hard
drive(s) and CD player.
</para>
<figure>
<title>Hardware Overview, Showing an AMD Processor and 55MB of RAM</title>
<graphic fileref="" scale="50"></graphic>
</figure>
</sect2>
<sect2>
<title>Using the Navigation, Refresh and Home Buttons</title>
<para>
The navigation buttons on the left side of the tool
bar-Back, Forward, Up, Refresh and Home-are
used in a similar way to the navigation buttons on
a web browser (Figure 7).
</para>
<figure>
<title>Navigation Arrows on the Tool Bar</title>
<graphic fileref="" scale="50"></graphic>
</figure>
<para>
The three left-most buttons allow navigation
through the file system by both time and
direction.
</para>
<para>
The back and forward buttons allow the user to
revisit directories and files which the user as
already accessed during the current session. This
is navigation through time. The previous example
illustrates this: clicking on the back button from
the hardware overview screen will take the user
back to the /home/john screen, but once there,
the back button will be dimmed out: there is no
further `back' in time to go so far in this session.
</para>
<para>
Similarly, clicking the forward button at this point
would take the user once again to the /home/
john/Nautilus screen.
</para>
<para>
The up button navigates upward through the
directory hierarchy. This is navigation by
direction. As an example, in the previous section
it is impossible-solely with the back button-to
go up through the file system further than /home/
john. However, by clicking the up button, the user
can navigate first to /home, and then all the way
to /.
</para>
<para>
Clicking the refresh button refreshes the view of
the current directory.
</para>
<para>
The home button will always take the user to the
current session's home directory. If the user has
logged on as root, then the home button, when
clicked, will open /root. If the user has logged on
as Laura, the directory opened will be /home/
laura. Note: this is, as are so many features in
Nautilus, customizable-see Chapter Two.
</para>
</sect2>
<sect2>
<title>Viewing as Icons, or as a List</title>
<para>
Although directories and files are by default
viewed, in the main window, as icons, there is
some advantage to viewing them as a list. At a
normal magnification level, more information will
be displayed in list view, such as the file's type
and modification date. To change the view style,
click on the View as Icons button, to the bottom-right
of the tool bar (Figure 8), and choose `List'.
</para>
<figure>
<title>View as Icons Button</title>
<graphic fileref="" scale="50"></graphic>
</figure>
<para>
The list view still includes representative icons,
but the extra space used by the extra description
means the icons must be minimized. The Date
Modified column is particularly clear, with
descriptive terms used where the latest modifi-
cation of the file or directory is within the last
week (Figure 9).
</para>
<figure>
<title>List View, with Descriptive Dates under Date Modified</title>
<graphic fileref="" scale="50"></graphic>
</figure>
</sect2>
<sect2>
<title>Using Tree View in the Sidebar</title>
<para>
`Tree view' refers to a collapsible list of directories,
sub-directories and files. In Nautilus, it is
available in the sidebar. The advantage of tree
view is that it allows the user to clearly observe
the directory structure at a glance, thus simplifying
directory and file administration.
</para>
<para>
To activate tree view, click the Tree tab at the
bottom of the sidebar screen. At first, the tree
may be collapsed, showing a single folder (Figure
10).
</para>
<figure>
<title>Collapsed Tree View at Root</title>
<graphic fileref="" scale="50"></graphic>
</figure>
<para>
To expand the directory structure, click once on
the right arrow pointing toward the folder. The
arrow will immediately point down, and the root
directories appear in the sidebar. Clicking any
sub-directory arrow will expand that sub-
directory, but not automatically expand the view
in the main window. Notice in Figure 11 that
although the tree in the sidebar is expanded to /T/
ARCHIVE/Redhat/ETC, the main window and
the location bar are still showing the folders
within /home/john.
</para>
<para>
(Also notice that, when necessary, vertical and
horizontal scroll bars appear automatically on the
sidebar panels).
</para>
<figure>
<title>Different Views and Different Directories in Different Panels: Tree
View of /T/ARCHIVE/Redhat/ETC on the Left, Icon View of /home/john
on the Right.</title>
<graphic fileref="" scale="50"></graphic>
</figure>
<para>
To synchronize the displays-that is, to display
the contents of the same directory in both the
sidebar and the main window-simply click on
the desired folder icon in the sidebar's tree view
(Figure 12). In this illustration, the user has
clicked on the icon representing the directory
/demo in the sidebar. Both the location bar and
the main window now reflect this location, with
the main window displaying the contents of the
demo directory in icon view.
</para>
<figure>
<title>Different Views but Identical Directories: Tree View of /demo on
the Left, Icon View of /demo on the Right.</title>
<graphic fileref="" scale="50"></graphic>
</figure>
<para>
Exploring the directory tree within the sidebar
alone is usually faster than exploring it within the
main window. To expand directories without
updating the main window, click on the small
right arrows in tree view. In the example shown in
Figure 13, the /etc directory has been expanded,
as has the /X11 subdirectory. Beneath that are
several more subdirectories, and the XF86Config
file, which configures the X server.
</para>
<figure>
<title>Expanded Directories in Tree View</title>
<graphic fileref="" scale="50"></graphic>
</figure>
<para>
There may be times when the directory tree is so
expanded, the user may lose sight of the upper
branches. In such a situation, the user can either
scroll with the horizontal scroll bar at the bottom
of the sidebar, or, by holding down the left mouse
button, enlarge the sidebar by dragging its right-
hand edge into the main window area.
</para>
</sect2>
<sect2>
<title>Zooming in the Main Window</title>
<para>
In a screen crowded with directory and file icons,
the user may wish to zoom in to confirm a file
name or type. The zoom feature enables this
within the main window.
</para>
<para>
Figure 14 is an example of a screen crowded with
icons; it is the doc sub-directory containing the
XFree86 server documentation for various
graphics cards.
</para>
<figure>
<title>A Cluttered Main Window</title>
<graphic fileref="" scale="50"></graphic>
</figure>
<para>
Somewhere in the window is the README file
for the Chips & Technology graphics card. To use
the zoom feature to find this more easily, the user
simply clicks on the + sign of the zoom control
to the right of the location bar (Figure 15).
</para>
<figure>
<title>The View Enlarged to 150%</title>
<graphic fileref="" scale="50"></graphic>
</figure>
<para>
There may be times, especially on computers with
large displays, when, instead of using the vertical
scroll bar to find a file or directory, it may be
faster to `zoom out', and view a larger area. To do
this, click on the minus sign to the left of the plus
sign.
</para>
</sect2>
<sect2>
<title>Viewing and Opening Files Within Nautilus</title>
<para>
Certain common file types can be identified, read,
or, in the case of music files, heard, from within
Nautilus, without having to open the file's application.
</para>
<para>
Graphics files of many common types are repretations
of their content. To inspect them more
closely, without opening their related application,
the user can enlarge them using the zoom feature.
</para>
<para>
Other types of files use different viewing
methods. Many text files can be read just by
clicking on them once in the main window. This is
both faster than opening up a separate console, or
application, and it also uses fewer system
resources. Figure 17 shows an example using the
README.chips file.
</para>
<figure>
<title>Displaying a README Text File in the Main Window</title>
<graphic fileref="" scale="50"></graphic>
</figure>
<para>
Common types of music files can be heard via
your computer's sound system by simply hovering
over the file's icon with the mouse. For more
control, the view button to the right of the
location bar can be set to `View as Music'. The
main window will display the music files only, by
track, title, artist, bitrate and time, and also show
a button-activated music player (Figure 18).
</para>
<figure>
<title>Music Player and an MP3 File</title>
<graphic fileref="" scale="50"></graphic>
</figure>
<para>
Table 1 lists file types that can be viewed, or
listened to, within Nautilus, without the necessity
of opening their normal applications.
</para>
<table frame="all">
<title></title>
<tgroup cols="2">
<colspec colwidth="*" colnum="1" align="left">
<colspec colwidth="2*" colnum="2" align="left">
<thead>
<row>
<entry>View</entry>
<entry>File Types</entry>
</row>
</thead>
<tbody>
<row>
<entry>Icon/entry>
<entry>Files and Folders</entry>
</row>
<row>
<entry>List</entry>
<entry>Files and Folders</entry>
</row>
<row>
<entry>Music</entry>
<entry>MP3</entry>
</row>
<row>
<entry>Web Page</entry>
<entry>HTML, including MAN pages, info pages and DocBook SGML</entry>
</row>
<row>
<entry>PDF</entry>
<entry>PDF Files</entry>
</row>
<row>
<entry>Text</entry>
<entry>ASCII Text Files and HTML source</entry>
</row>
<row>
<entry>Image</entry>
<entry>JPEG, PNG, etc.</entry>
</row>
<row>
<entry>Package</entry>
<entry>RPM Packages</entry>
</row>
</tbody>
</table>
</sect2>
<sect2>
<title>Launching Applications within Nautilus</title>
<para>
Files can be opened, edited, and saved by
launching their applications from within Nautilus.
This is accomplished by positioning the mouse
over the file, and clicking the right button. In the
menu that appears, clicking on `Open With'
brings up a sub-menu of application choices, from
which the user can choose. Figure 19 shows an
example, where a graphics file has been selected
and opened with The Gimp.
</para>
<figure>
<title>Opening a Graphic File by Launching its Application from within
Nautilus</title>
<graphic fileref="" scale="50"></graphic>
</figure>
</sect2>
</sect1>
<sect1>
<title>Navigating the Network</title>
<para>
Nautilus has full network capability, both on the
LAN and on the Internet. It can connect to FTP
and Web servers, local and remote, and to
mounted Samba shares.
</para>
<para>
Nautilus' unique design includes elements of a
web browser as well as a traditional file manager.
As a result, Nautilus can browse the Web, and
also graphically browse the machines of a typical
mixed corporate LAN running a combination of
Windows, Linux and UNIX machines.
</para>
<para>
Nautilus' primary methods of connection are
shown in Figure 20.
</para>
<figure>
<title>Methods of Connection in a Mixed Environment</title>
<graphic fileref="" scale="50"></graphic>
</figure>
<sect2>
<title>Navigating the LAN via FTP</title>
<para>
Nautilus connects to a mixed LAN via local FTP
and mounted Samba shares.
</para>
<para>
To connect to a local Linux or UNIX FTP server,
type in the fully qualified domain name of that
machine in the location bar. As an example, to
connect to a machine called toshiba.jpl, the user
would type:
<programlisting>
ftp://toshiba.jpl
</programlisting>
and hit Enter. In Figure 21, the user has logged in
anonymously to the /home/ftp directory of
toshiba.jpl.
</para>
<figure>
<title>FTP login to a Linux Machine on the LAN</title>
<graphic fileref="" scale="50"></graphic>
</figure>
<para>
In this example, red emblems signifying read and
write protected folders appear in the main
windows. This confirms the anonymous login. An
attempt to view the contents of a read protected
folder, for example, /bin, results in the screen
shown in Figure 22.
</para>
<figure>
<title>Inadequate Permissions</title>
<graphic fileref="" scale="50"></graphic>
</figure>
</sect2>
<sect2>
<title>Navigating the LAN via Samba</title>
<para>
To connect to a Windows machine on the LAN,
the user must first be running Samba and have
configured the Windows machine, and must
finally have mounted the Samba mount point on
the host machine.
</para>
<para>
Once configured, typing in the mount point in the
location bar reveals the directories and files on
the Windows machine. In the example in Figure
23, the user has navigated to the /samba
directory on the Windows machine accessed
through the HP mountpoint.
</para>
<figure>
<title>Accessing a Windows Machine on a Mixed LAN, via a Samba
Mountpoint</title>
<graphic fileref="" scale="50"></graphic>
</figure>
</sect2>
<sect2>
<title>Navigating the Internet</title>
<para>
Nautilus connects to the Internet in the same way
as a web browser. Both FTP sites and Web sites
are accessed by simply typing the URL into the
location bar. Figure 24 gives an illustration, the
users having connected to www.cnn.com.
</para>
<figure>
<title>Nautilus as Web Browser</title>
<graphic fileref="" scale="50"></graphic>
</figure>
</sect2>
<sect2>
<title>The Sidebar History and Bookmarks</title>
<para>
When viewing the Web, the navigation tools on
the tool bar function as they do on any browser. In
addition, both the History tab at the bottom of the
sidebar, and the Go drop-down menu, provide a
session history of local and remote accesses
(Figure 25).
</para>
<figure>
<title>The Sidebar History and Go Menu</title>
<graphic fileref="" scale="50"></graphic>
</figure>
<para>
Bookmarks can also lead to local and remote
machines, Samba shares and web sites. They are
found by clicking on Bookmarks on the menu bar,
where the menu items for adding and editing
bookmarks are also located.
</para>
</sect2>
</sect1>
<sect1>
<title>Manipulating Files</title>
<para>Manipulating directories and files is one of the
most basic of all file manager features. Nautilus
can be used to graphically move, copy, duplicate,
rename and delete files, and to create new and
rename existing directories. It can also be used as
a search engine, on the local machine, the LAN,
and the Web. Finally, in Nautilus the user can
graphically change a file's permissions-a great
advance over the command line CHMOD method.
</para>
<sect2>
<title>Moving and Copying Files</title>
<para>
These two file management activities are
performed by opening two Nautilus windows, one
for the source location and one for the destination.
</para>
<para>
Open a new Nautilus window by clicking on File
on the menu bar, and choosing the first menu
item: New Window (Figure 26).
</para>
<figure>
<title>Opening a New Window in Nautilus</title>
<graphic fileref="" scale="50"></graphic>
</figure>
<para>
To move a file, simply drag it from the source
window to the destination window, with the left
mouse button depressed. For options, drag the file
with the right mouse button: this gives the choices
of either moving or copying the file, or of
creating a link.
</para>
<para>
To move a file, simply drag it from the source
window to the destination window, with the left
mouse button depressed. For options, drag the file
with the right mouse button: this gives the choices
of either moving or copying the file, or of
creating a link.
</para>
<para>
An example of a successful file copy operation is
shown in Figure 27. The pluck.wav file has been
copied from the /home/john directory (the
source), in the lower-right Nautilus window, to
the /home/john/music directory, in the upper-left
Nautilus window.
</para>
<figure>
<title>The Successful Copy of a File from /home/john to /home/john/
music</title>
<graphic fileref="" scale="50"></graphic>
</figure>
</sect2>
<sect2>
<title>Duplicating, Renaming and Deleting Files, and Creating
Directories</title>
<para>
Duplicating a file is accomplished by either
clicking on the file with the right mouse button,
and selecting Duplicate, or by first selecting the
file and then selecting Duplicate from the File
pull-down menu on the menu bar (Figure 28).
Notice in the illustration that the duplicate file is
identified by the tag (copy) next to the file name.
</para>
<figure>
<title>Successful Duplication of the testement.jpg File</title>
<graphic fileref="" scale="50"></graphic>
</figure>
<para>
Renaming a file is accomplished in a similar
manner. Choose the same menu by either means,
and click on Rename. Then simply type the new
name into the file caption.
</para>
<para>
Deleting a file, in Nautilus, means moving it to
the trash folder which Nautilus creates upon
installation. A file may be deleted either by
dragging and dropping it into the trash folder, or
by selecting the file, opening the same menu as
above, and choosing Move to Trash.
</para>
<para>
Note that moving a file to the trash folder does
not delete it from the system. It is still available,
and can still be retrieved, in case the user has
trashed it mistakenly. Permanent file deletion is
accomplished by clicking the Empty Trash item in
the File menu.
</para>
<para>
A new subdirectory can be created (and/or
renamed), anywhere in the directory tree, by
selecting the parent directory and then pulling
down the File menu from the menu bar. Click on
New Folder, and the new subdirectory is created.
Just type in the name and hit the Enter key.
</para>
</sect2>
<sect2>
<title>File Find and Web Search</title>
<para>
Nautilus's two search features, found on the tool
bar, enable the user both to find files on the local
machine and on mounted Samba shares, and to
locate information on the Web.
</para>
<para>
To search for a file either locally or on a Samba
LAN, click the Find button on the tool bar, and
type in the name of the desired file. Then click
the Find Them button.
</para>
<para>
This is the simplest form of file search, but by
clicking the More Options button-several
times-no fewer than seven search variables
become available. Each variable in turn has its
own set of constraints. In this way it is possible to
narrow down, or refine a search very precisely
(Figure 29).
</para>
</sect2>
<sect2>
<title>File Searching Expanded to the Maximum Degree Possible</title>
<para>
To search for a information on the Web, click on
the Web Search button on the tool bar. Nautilus is
transformed into a web browser, and Google is
presented in the main window (Figure 30).
</para>
<figure>
<title>The Google Search Engine, Launched from within Nautilus.</title>
<graphic fileref="" scale="50"></graphic>
</figure>
</sect2>
<sect2>
<title>Changing File Permissions</title>
<para>
To change a file's permissions, click with the
right mouse button on the file, and choose `Show
Properties' from the menu. The dialog box which
appears has three tabs. Choose the one labelled:
Permissions (Figure 31). Both the files' owner
and group settings can be changed, as can the
read, write, and execute permissions for each.
Both the text view and numeric view of the result
is automatically updated at the bottom of the box.
</para>
<figure>
<title>Changing File Permissions Graphically</title>
<graphic fileref="" scale="50"></graphic>
</figure>
</sect2>
<sect2>
<title>Getting Help</title>
<para>
This Users Manual is available from both the
Help item on the menu bar, and from the Help
Contents tab at the bottom of the sidebar.
</para>
<para>
In addition to this manual, the Help Contents tab
provides easy access to many other Linux help
files in several different formats.
</para>
</sect2>
</sect1>
</chapter>
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