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Chapter 3: Linux Commands
This is the Title of the Book, eMatter Edition
Copyright © 2006 O’Reilly & Associates, Inc. All rights reserved.
S Do not regenerate symbol table.
u Use with r to replace only files that have changed since being
put in archive.
v Verbose; print a description of actions taken.
V Print version number.
Example
Replace mylib.a with object files from the current directory:
ar r mylib.a `ls *.o`
arch
arch
Print machine architecture type to standard output. Equivalent to
uname -m.
arecord
arecord [options] [filename]
Records sound using ALSA. Accepts the same arguments and
options as aplay.
arecordmidi
arecord [options] [filename]
Records midi files using ALSA. You must specify the port using the
-p flag.
Options
-p, --port=host:port
Set the sequencer host and port used. The default host is the
local host, and the default is port 0.
-h, --help
Display help message.
-v, --version
Display version number.
-l, --list
List available ports.
-b, --bmp=n
Set the tempo value to n beats per minute. The default is 120.
-f, --fps=n
Set timing (SMPTE resolution) to n frames per second. The
value is normally 24, 25, 29.97 (NTSC dropframe), or 30.
-t, --ticks=n
Set the frequency with which timestamps, or ticks, are used in
the file. For MIDI files using musical tempo, timestamps are
set in ticks per beat (default 384), while those with SMPTE
timing use ticks per frame (default 40).
-s, --split-channels
For each