Find Out If Running Kernel Is 32 Or 64 Bit

rajeshkumar created the topic: Find Out If Running Kernel Is 32 Or 64 Bit

Type the following command at the terminal, run:

$ uname -a

Output:
Linux ora100 2.6.5-7.252-smp #1 SMP Tue Feb 14 11:11:04 UTC 2006 x86_64 x86_64 x86_64 GNU/Linux

x86_64 GNU/Linux indicates that you’ve a 64bit Linux kernel running. If you use see i386/i486/i586/i686 it is a 32 bit kernel.
Regards,
Rajesh Kumar
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Shell script program 2

scmuser created the topic: Shell script program 2

Use a script to take two numbers as arguments and output their sum using (i) bc (ii) expr. include error – checking to test whether two arguments were entered?

tpatil replied the topic: Re: Shell script program 2
If I understand correctly your question, You want to pass 2 parameters to shell script and print the sum of those. Also, you want to throw error if the number of parametrs are less than 2.

#!/bin/bash

if [ $# -lt 2 ]
then
echo "Usage: $0 arg1 arg2"
exit
fi

echo "\$1=$1"
echo "\$2=$2"

let add=$1+$2
let sub=$1-$2

echo -e "Addition=$add\nSubtraction=$sub\n"

Hope this helps…

renjith replied the topic: Re: Shell script program 2
#!/bin/ksh

while echo ” Enter two numbers :\n ” ; do
echo “Enter num 1: “; read A;
echo “Enter num 2: “; read B;
if [ -z $A -o -z $B ] ;then
echo ” Invalid input , pls enter again”
else
break
fi
done

export A B

echo ” ************* MENU *********** \n”
echo ” 1. cal using bc “;
echo ” 2. cal using expr”;
echo ” enter you choice :”;
read c;

case $c in
1) sum=`echo ” $A + $B “|bc` ;;
2) sum=`expr $A + $B` ;;
*) echo “invalid option , run script again”
esac

if [ $? -eq 0 ]
then echo ” Sum is $sum”
else
echo ” Script failed ”
fi

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Test your Shell Scripting Skills: – Program 8

scmuser created the topic: Test your Shell Scripting Skills: – Program 8

Write a script that displays a special listing showing the (i) permission (ii) size (iii) filename (iv) last modification time (v) last access time of filenames supplied as arguments. Provide suitable headers using the printf command.

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Test your Shell Scripting Skills: – Program 12

scmuser created the topic: Test your Shell Scripting Skills: – Program 12

You have a number of C programs that certain comment lines at the beginning of each program. The lines begin with /* followed by the first line of comment, butthe terminator line has */ as the only characters in the line. Remove these comments from all files.

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