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more /etc/httpd/
vi hello
ls
date
whoami
pwd
date;whoami;pwd
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#/bin/bash
#this script is display current user,time and path
#it is display current time
echo "current time is"
date
#it is display current user
echo "current user is"
whoami
#it is display current path
echo "current path is"
pwd
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ls -l
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ls -l hello
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x=abc
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int main(void)
{
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short s;
char c[sizeof(short)];
}un;
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