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1. df -lh
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2. du -s /usr/* | sort -rn
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3. du -sh /usr/* | sort -rn
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du -s /usr/* | sort -rn | head
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du -s /usr/* | sort -rn | tail
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/usr/local/zhou/resin/*
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Union data1
{
double d;
int i;
char c1;
char c2[9];
};
sizeof(union data1 ......
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#define CONFIG_BOOTCOMMAND "mmcinit; fatload mmc 0 0x81c00000 uImage; bootm 0x81c00000"
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New things to learn about Linux Scheduler):
1. Rotating Staircase Deadline cpu scheduler policy
2. CFS (Completely Fair Scheduler)
3. BFS (Brain Fuck Scheduler)
http://lwn.net/Articles/
http://kerneltrap.org/
......