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1. ÔËÓÃ expr
#expr 10 + 10 ===> 20
#a=`expr 10 % 3`;echo $a ===> 1; a, k6 [+ N%
#|/ }4 [% N
# b=10;b=`expr $b + 1` ===> 11 (ʵÏÖÁ˱äÁ¿µÄ×ÔÔö1)
2. ·½·¨ÈçÏÂ
#! /bin/sh
VAR=1
VAR=$(($VAR+1))
echo $VAR


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echo “Make jffs2 filesystem:”
erase /dev/mtd5
cd /tmp
echo “test” > test.txt
mkfs.jffs2 –d /tmp > /dev/mtdblock5
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JDK    jdk-1_5_0-linux-i586-rpm.bin  £¨http://java.sun.com£©
eclipse    eclipse-SDK-3.2-linux-gtk.tar.gz  £¨http://www.eclipse.org£©
CDT    org.eclipse.cdt-3.1.2-linux.x86.tar.gz   £¨http://www.ecl ......

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Filesystem Handling
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