nani

• Oct 13th, 2006

Program in execution is called ProcessThread is a flow of control in a program

vishwa

• Sep 13th, 2006

Process is nothing but a program execution, each pogram having atleast a sequence, where thread is nothing but a sequence of program execution.

Answer Question  Select Best Answer

zorba

• Nov 3rd, 2007

Tar -cvjf <filename.tar.bz2> bz2 gives max compression.

Kailash

• Apr 20th, 2007

Though the explanations given are very good but in real time environment where the file size runs into MBs of data the proper way would be1: If its a single file then gzip and compress and pack will s...

Answer Question  Select Best Answer

Write a shell script to join two CSV text files based on value of some columns?

abdas

 Profile Answers by abdas Questions by abdas

• Jun 26th, 2011

Cat file1 file2 >  file3

nkumar85

 Profile Answers by nkumar85 Questions by nkumar85

• May 18th, 2010

Bash does not support this kind of feature, you can do this in PERL, because PERL supports all feature which are needed to work with CSV worksheets.

Answer Question  Select Best Answer

In UNIX delete previous line if current line contains particular keyword

Mahender Lal

• Sep 3rd, 2017

Prev_line=`grep -B1 "Keyword_to_search" filename | head -1` ; grep -v "$prev_line" filename
prev_line=`grep -B1 "Keyword_to_search" filename | head -1` ; grep -v "$prev_line" filename > newfile

Yogesh

• Aug 31st, 2017

Grep-B1 "particularword" filename | rm

Answer Question  Select Best Answer

how to perform the Arithmetic operations on floating point numbers ?

abhimishraoist

 Profile Answers by abhimishraoist Questions by abhimishraoist

• Aug 18th, 2009

We can use test also in command linetest 1.2 -gt 1.1 | echo "abhishek"You will get o/pabhishek.

Gaurav

• Apr 17th, 2007

You can make you og 'bc' command to do the arithmatic operations in shell script.Following script illustrates a sample implimentationa=1.2b=3.1x=$(echo $a+$b|bc)echo [$x]Where the arithmatic operation that is desired is marked in bold.

Answer Question  Select Best Answer

vijayanand86

 Profile Answers by vijayanand86 Questions by vijayanand86

• Jan 20th, 2010

Contains the list of arguments passed to the function.

vidyamurali2003

 Profile Answers by vidyamurali2003 Questions by vidyamurali2003

• Dec 30th, 2008

It contains the actual arguments passed to a shell script

Answer Question  Select Best Answer

vijayanand86

 Profile Answers by vijayanand86 Questions by vijayanand86

• Jan 20th, 2010

K Shell,Bourne Shell,Bash,C-Shell

cmanne

 Profile Answers by cmanne Questions by cmanne

• Mar 26th, 2007

ashellbshellbash (born again shell)cshellkshellzshell

Answer Question  Select Best Answer

Mo

• Apr 20th, 2012

$# : Stands for counts of the number of the positional parameters passed to a script.

example test.sh 1 2 3 4 5 6 7 , there are 7 paramaters as passed so the count of the $# is 7

manu_khatri

 Profile Answers by manu_khatri Questions by manu_khatri

• Feb 18th, 2011

By using $# parameter, the program checks whether the right number of arguments have been entered.

Answer Question  Select Best Answer

nitashaa

 Profile Answers by nitashaa Questions by nitashaa

• Jul 18th, 2008

global variable is created using export command in ksh - export x='name' In csh its created using setenv command-setenv x 'name'this 'x' variable will be visible in curren...

riteshvado

 Profile Answers by riteshvado Questions by riteshvado

• Aug 13th, 2007

try this simple script it will clear your concept :- script a.sh :- ----------export A=3B=5sh b.sh--------script b.sh :- -----------echo "exported variable $A is :- $A"echo "Variable $B -- $B "---------A persists in b.sh whereas B doesn't.

Answer Question  Select Best Answer

amrashri

 Profile Answers by amrashri Questions by amrashri

• Apr 10th, 2011

Crontab 0 4 * * * command

Jyotiranjan Mohanty

• Apr 7th, 2007

1st step$ cat > cmdfile//<Minute> <Hour> <Day Of Month> <Day Of Week> <Command>    0           &n...

Answer Question  Select Best Answer

zorba

• Nov 3rd, 2007

An inode is a data structure on a traditional Unix-style file system such as UFS. An inode stores basic information about a regular file, directory, or other file system object
http://en.wikipedia.org/wiki/Inode

moorthyvsm

• Sep 3rd, 2007

A unique number associated with each filename. This number is used to look up an entry in the inode table which gives information on the type, size, and location of the file and the userid of the owner of the file.

Answer Question  Select Best Answer

my_thoughts

 Profile Answers by my_thoughts Questions by my_thoughts

• Feb 14th, 2010

#! at the start of the file indicates that this is a shell script file, rather than a normal file./bin/ksh -- runs the shell script in ksh shell.By default the shell script runs in the current shell (...

ajit_saley

 Profile Answers by ajit_saley Questions by ajit_saley

• Feb 4th, 2009

#! line states the interpreter to be used by the shell to interpret the script.Here, ksh interpreter is invoked for interpretation of the script.

Answer Question  Select Best Answer

Mo

• Apr 20th, 2012

Positional parameters are reads either by displaying there value or can be assigned to another variables.

echo $1 $2 $9 ${10} ${20}
shift operators can be used to move around the positional parameters.

example: test.sh 1 2 3 4 5

a=$1

while [ -z "$a" ]
do

echo $a
shift

done

rks03075

 Profile Answers by rks03075 Questions by rks03075

• Jun 4th, 2010

Echo $1echo $2

Answer Question  Select Best Answer

How will you write a shell script to connect to SQL database?

Ashutosh Gupta

• Sep 10th, 2011

In vi editor
vi connect.sh
#!/bin/bash

sqlplus -s sys as sysdba

NARESH

• Jul 31st, 2011

Sqlplus -s username/password@schema name
:wq

Answer Question  Select Best Answer

Anubhaw.Agrawal

 Profile Answers by Anubhaw.Agrawal Questions by Anubhaw.Agrawal

• Apr 22nd, 2010

$ORACLE_HOME/bin/sqlplus username/password@remote_db

Vamshidhar

 Profile Answers by Vamshidhar Questions by Vamshidhar

• Jan 14th, 2009

IF the Database is DB2 then the script is :db2 "connect to $dbname user $userid using $password"

Answer Question  Select Best Answer

What are the different types of shells available in UNIX?

nitin

• Mar 3rd, 2013

There is a lot of shell available in UNIX.
Ex:- Bourne shell, Bash shell, CShell, Korn shell etc.

santarvedi

• Oct 30th, 2012

$cat /etc/shells

Answer Question  Select Best Answer

Write a script to validate a password. The password should be least 8 characters long, should contain both alphabet and number, contain small cap and large cap letters. If any of these conditions are not met, the script should flag the password as "weak password".

Shwetha N A

• Jun 24th, 2021

#!/bin/bash
echo "Enter the password"
read password
len=echo ${#password}
if test $len -gt 8
then
echo $password | grep [A-Za-z][0-9] | grep "[@#$%^&*]"
echo "strong password"
else
echo "weak password"
fi

Akshay Deshmukh

• Sep 14th, 2020

read -p "please enter password:" password count=`echo ${#password}` if [[ $count -ne 8 ]];then echo "Password length should be 8 charactore" exit 1; fi echo $password | grep "[A-Z]" | grep "[a-z...

Answer Question  Select Best Answer

ajit_saley

 Profile Answers by ajit_saley Questions by ajit_saley

• Feb 4th, 2009

Cut -d":" -f1,3 fileDelimitor ":"Fields/Columns 1 and 3 are printed.In this example awk can be used. sed can not be used.awk can do all the jobs of cut. cut can give o/p byte wise, which is not possible in awk.

prasul

 Profile Answers by prasul Questions by prasul

• Dec 22nd, 2007

SED is a simple editor which will be editing files without a gui and to provide operations on the command line.sed -e s/word1/word2/g filenamehttp://en.wikipedia.org/wiki/SedAWK is a command line argument used for printing out values and arguments.awk '{print $1}';http://en.wikipedia.org/wiki/awk

Answer Question  Select Best Answer

Shrey Shekhar

• Sep 5th, 2020

Cat file_name|uuencode file_name|mail -s subject line reciepent_email_address

vishnu

• Aug 1st, 2017

Using mutt, mailx, or uuencode

Answer Question  Select Best Answer

anil

• Sep 21st, 2017

upendram@upendrams-host:~$ echo $pattern | grep -o . | while read chars; do cnt=`echo "${str}" | grep -o "${chars}" | wc -l`; if [[ $cnt -gt 0 ]]; then echo "$chars -- occurs --- $cnt times" >> strin...

rana4bhu

 Profile Answers by rana4bhu Questions by rana4bhu

• Jun 5th, 2009

I am giving the 3 ways to solve this problem..1) grep -io "[aeiouAEIOU]" filename | sort | uniq -c2) cat filename | sed 's/[a-zA-Z]/&n/g' | sed 's/^ //' | grep "[aeiouAEIOU]" | sort | uniq -c 3) cat f...

Answer Question  Select Best Answer