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Shell scripting programing
anubala331
June 2014
#shell
scripting program to executing commands
ls
date; uptime
ls -n -l
echo "HELLO WORLD";
echo "HELLO WORLD"
anubala331
June 2014
#shell
is a program in which commands are executed
df -k
read v
ls
anubala331
June 2014
#shell
scripting program in which echo is used to print &
echo -n "HELLO WORD"
echo "i m always left bt right"
anubala331
June 2014
#By
use of shell script data of someone is taken in input & give message to that one
#! /bin/bash
echo "Please enter the FIRST name"
# echo is to print the message
read FIRSTNAME
# read command is to take vaue in input ..used as like scanf
echo "Please enter the LASTNAME name"
read LASTNAME
echo "enter the HOME addess"
read HOME
echo "YOUR NAME IS $FIRSTNAME $LASTNAME"
# $FIRSTNAME ..$will help to extract value of variable & to print value of that variable
echo "YOUR HOME ADDRESS IS $HOME"
echo COMPANY
read COMPANY
echo "CONGRETS!U GOT A JOB BY $COMPANY"
anubala331
June 2014
#condition
may also be applied in it.....using[]...-d points to directory...-f means file....-x means regular & executable file
#! /bin/bash
if [ -d /root ]
then
echo "directory exits"
fi
if [ -f /root ]
then
echo "file exits"
fi
if [ -x sc ]
#
after if condtion then is always written before doing anything in this condition
then
echo "file exits & it is executable"
fi
#always
end if using fi
./sc
#with
this program other command is also executed
anubala331
June 2014
#A
small program to show working of shell script .....if condition
#! /bin/bash
echo "HELLO"
read tod
if [ $tod = yes ] #
it will compaire the value inside variable tod to yes
then
echo "GUD MORNING"
elif [ $tod = no ]
#
it is used like else if
then
echo "GUD NIGHT"
else
echo "NOT RECOGNISED PLEASE ENTER yes OR no:"
fi
deepanshuemblinux
June 2014
what does happen when we issue cd command in our shell script?? does that forks and create a new shell or does that creates a thread??
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