Photography Masterclass Online Course
This section describes how to connect to a print server running the Line Printing Daemon (LPD) service. This function is offered by virtually every print server in existence. In addition to LPD, SUSE Linux is compatible with CUPS IPP Raw format, and IPX. It is also compatible with SMB Windows printer sharing, as explained in the next section.
The first command in the preceding example displays basic information about the image (its file name, format, geometry, class, channel depth, and file size). The second command shows every bit of information it can extract from the image. In addition to the information you see in the example, the verbose output also shows creation times, the type of camera used, aperture value, and ISO speed rating.
Almost every aspect of a bug report may be changed via the BTS control interface. However, it is not possible to change or delete comments once they have been posted to the bug. Furthermore, as previously mentioned, every action is logged to the bug record and publicly visible via the web and mail interfaces. In fact, the only way to manipulate a bug report is through a mail request server similar to the request server (see chapter 10.6.2), and every received mail is logged in raw format (including all headers). In case of an abuse attempt, this information can be used to track down the offender.
NOTE The background music file bgmusic.au was produced as follows. First, I connected the output from my electric guitar (actually, from the effects box) to the input of my sound card. Then, I used wavrec to start recording from the sound card, and played a riff on the guitar. Next, I used sox to convert the .wavfile to a raw file, then used dd to manually trim the length of the sample so that it would loop correctly (determined by listening to the resulting raw file). With the proper length sample, I then used cat to place several copies of the loop into a second, longer raw file. I again ran sox on the raw file to add an additional echo effect of 410 milliseconds. Finally, I converted the file from raw format into the .au format, one of the many formats supported by RPlay. Ordinarily, you would probably use a graphical editing tool to do such sound editing, but I didn't have one handy it's also possible to do it all from the command line.
The option -B specifies to use a batch mode, so that each track is put into a separate file (this is probably what you want, otherwise all tracks would be placed in one output file). The -p option specifies output in raw format. The files are named track1.cdda.raw and track2.cdda.raw.
New Queue for Existing Printer Use this option to connect a second queue to the same printer. This option is helpful if you want to provide Linux printers to Windows users as well as Linux users. For the Linux user, the printer would need input that is interpreted by a printer driver, whereas the Windows user would normally send formatted documents to the printer. Therefore, for the Windows user, documents that are sent in the raw format would be enough.
With oggenc, you can start with audio files or streams in WAV, AIFF, FLAC, or raw format and convert them to Ogg Vorbis format. Although Ogg Vorbis is a lossy format, the default encoding from WAV files still produces very good quality audio and can result in a file that's about one-tenth the size. Here are some examples of oggenc
Typically, the raw files used by man are processed from their raw nroff form to create the displayable form. At one time, this processing took a long time, particularly for large manpages. To make manpage access faster for subsequent requests for the same manpage, the system often would save a version of the formatted page on disk. The raw, unformatted system pages are stored in usr man man.1, usr man man.2, and so on for each section in the manual. In addition, the directories usr cat cat.1, usr cat cat.2, and so on, can hold the previously formatted files. The cat directory setup on your system may be different and is defined by etc man.config. Wherever they are, these directories can contain text files for use with man rather than raw nroff files.
The lpadmin command makes changes to etc cups printers.conf and sends a HUP signal to the cupsd daemon, resulting in the creation of a local raw printer spool. In this example, print data is passed in raw format to the Windows system, which has the necessary printer drivers and printer description files to format the data appropriately. The -D option is used to give the printer a comment string.
The raw data format will print the sectors that would be written to The partition table in raw format will print the partition table ordered by partition number. It will leave out all free and unusable space. The fields, from left to right, are the number of the partition, the flags (in hex), the starting head, sector, and cylinder, the filesystem ID (in hex), the ending head, sector, and cylinder, the starting sector in the partition, and the number of sectors in the partition. The information in this table can be directly translated to the raw data format. The partition table entries only have 10 bits available to represent the starting and ending cylinders. Thus, when the absolute starting (ending) sector number is on a cylinder greater than 1023, the maximal values for starting (ending) head, sector, and cylinder are printed. This is the method used by OS 2, and it fixes the problems associated with OS 2's fdisk rewriting the partition table when...
With its relatively small desktop market share, Linux often is considered an underdog. Here at Linux Journal, we prefer to think of it more along the lines of Undiscovered Superhero , but however you look at it, Linux is the operating system that is easy to love. If you take off the wide-angle lens, however, and look strictly at software in the Open Source community, we have underdogs of our own. This month, we decided it would be nice to give the spotlight to those diamonds in the rough.
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