Linux From Scratch (LFS) is a project that provides you with
step-by-step instructions for building your own GNU/Linux OS
from source code. URL: http://www.linuxfromscratch.org/

One Day One Command
===================

gcc — GNU C Compiler

Summary:

Several versions of the compiler (C, C++, Objective-C, Ada, Fortran,
and Java) are integrated; this is why we use the name “GNU Compiler
Collection”. GCC can compile programs written in any of these above
languages.

This C program is used in the examples.

#define DISPLAY “Hello Worldn”
main()
{
 #ifdef MACRO
   printf(DISPLAY);
 #else
   printf(“No Macron”);
 #endif
}
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Since 1998, Linux Weekly News (LWN) has been covering the Linux & Free
Software communities development activities in a concise, well-written,
and objective manner. URL: http://lwn.net/

One Day One Command
===================

ogg123 — Plays Ogg Vorbis audio files.

Summary:

Ogg Vorbis is a new audio compression format. It is different from
these other formats because it is completely free, open & unpatented.
It is roughly comparable to other formats used to store & play digital
music, such as MP3, VQF, AAC, and other digital audio formats.

ogg123 reads Ogg Vorbis audio files and decodes/play them to the (by
default) standard sound card or specified device(s). Input files can
be read from the system, or URLs can be streamed via HTTP.

Press Ctrl C to stop.
 

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The Free Software Foundations are proud to announce the creation of
the global “GPL Version 3 Development and Publicity Project”. This
activity is supported by no. of organizations.
URL: http://www.gnu.org/

One Day One Command
===================

dd — Convert and copy a file.

Summary:

‘dd’ copies and optionally converts data with changeable I/O block
size. Reads are issued to the input file or device for the size of
the input buffer and writes are issued for the size of the output
buffer. This allows I/O requests to be tailored to the requirements of
a task. Output to standard error reports the number of full and short
blocks read and written.

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Mr Vijay Kumar B released Beta version of XPDF with GGI (General
Graphics Interface) Front end. Use of GGI will give a reliable,
stable and fast graphics system that works everywhere.
URL: http://www.bravegnu.org/xpdf/  (Developers Needed)

One Day One Command
===================

whatis — Search the whatis database for complete words.

Summary:

Whatis DB contains the name and one line description about all
commands man pages. whatis searches for keywords and displays the
result(s) on the standard output. Only complete word matches are
displayed.

Read more

Mr Vijay Kumar released the Beta version of XPDF with GGI (General
Graphics Interface) Front end. Use of GGI will give the reliable,
stable and fast graphics system that works everywhere.
URL: http://www.bravegnu.org/xpdf/  (Volunteers Needed)

One Day One Command
===================

renice — Alter priority of running processes.

Summary:

GNU/Linux is a multi-user and multi-tasking OS. So many processes will
be running with some scheduling policy like Round Rabin, FIFO etc..
High priority process will get more CPU Time.

Renice is used to alters the scheduling priority of one or more
running processes. Priority range goes from -20 (highest priority)
to 19 (lowest priority).

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RUTE User’s Tutorial and Exposition, One of best free book for
GNU/Linux. URL: http://web.whittier.edu/jlutgen/rute/rute.html

One Day One Command
===================

oggenc — Encode audio into the Ogg Vorbis format.

Summary:

Ogg Vorbis is a new audio compression format. It is different from
these other formats because it is completely free, open & unpatented.
It is roughly comparable to other formats used to store & play digital
music, such as MP3, VQF, AAC, and other digital audio formats.

oggenc reads audio data in either raw, WAV or AIFF format and encodes
it into an Ogg Vorbis stream.

Read more

RUTE User’s Tutorial and Exposition, One of best free book for
GNU/Linux. URL: http://web.whittier.edu/jlutgen/rute/rute.html

One Day One Command
===================

oggdec — Decodes Ogg into PCM Audio format.

Summary:

Ogg Vorbis is a new audio compression format. It is different from
these other formats because it is completely free, open & unpatented.
It is roughly comparable to other formats used to store & play digital
music, such as MP3, VQF, AAC, and other digital audio formats.

oggdec decodes Ogg Vorbis files into PCM-encoded (“uncompressed”)
audio files, either WAV or RAW format.  For each input file, oggdec
writes to a filename based on the input filename, but with the extn
changed to “.wav” or “.raw”.
   

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Want to know the Linux News On Internet Time? Check Linux Today
News Site. URL: http://linuxtoday.com/

One Day One Command
===================

which — Shows the location of (shell) commands.

Summary:

which will search for the given command in the PATH and prints the
full path of the executables that would have been executed when this
command had been entered at the shell prompt.

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The Linux Cookbook provides lot of Tips and Techniques for Everyday
Use. This book is available in On-Line and Printed form.
URL: http://dsl.org/cookbook/

One Day One Command
===================

nice — Run a command with modified priority.

Summary:

GNU/Linux is a multi-user and multi-tasking OS. So many processes will
be running with some scheduling policy like Round Rabin, FIFO etc..
High priority process will get more CPU Time.

nice command is used to run the given command with its scheduling
priority adjusted. Priority range goes from -20 (highest priority)
to 19 (lowest priority).

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Tamil Language WikiPedia: http://ta.wikipedia.org/

One Day One Command
===================

c++decl — Create/Explain C++ Type Declarations.

Summary:

Cdecl is a program for encoding and decoding C/C++ type declarations
in English language. Both cdecl and c++decl are same program. cdecl
will use C notation and c++decl use C++. It can run in interactive
(shell-like) and non-interactive mode (command line arguments).

In the interactive mode, cdecl will wait for your input in “c++decl> “
prompt. Enter “quit or exit” to exit. Enter “?” for help.

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