nishanth.sed1h2,10{H;g}$q1,9dNDinput_fileaabbccddeeffgghhiijjkkllmmscriptsed -f nishanth.sed input_file

pradeep

• Jul 1st, 2005

For C shell ,   first /etc/.login script is run & after that  ~/.login is run & then ~/.cshrc is run. 

Nandu

• Jun 9th, 2005

.profile file will execute first when a user logs in.

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Anto

• Feb 21st, 2007

If u use array it's a static one, in the sense fixed size. If u want to increase the size, use vector which allocates size dynamically at runtime as much as u want.

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smokie brown

• Feb 19th, 2006

Mutex is a mechanism which is useful in coordinating mutually exclusive access to a shared resource. For example, to prevent two threads from writing to shared memory at the same time, each thread wai...

suraj

• Oct 17th, 2005

1. Mutexes can synchronize threads within the same  process  or     in other processes. 2. Mutexes  can  be  used  to  synchronize  threads&...

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Sandhya.Kishan

 Profile Answers by Sandhya.Kishan Questions by Sandhya.Kishan

• Jul 11th, 2012

Windows NT supports multitasking with the help of preemptive multitasking which is based on preemptive operating system. The operating system takes control of the processor from a task in two ways: W...

peter

• Nov 1st, 2005

Preemptive multitask

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wow_suraj

 Profile Answers by wow_suraj Questions by wow_suraj

• Jun 17th, 2009

I believe, most important difference will be platform dependency.1) PERL?scripts can be used on both UNIX and windows systems, unless some OS specific commands are used. But the same case is not with...

Sachin.K.P

• Jun 7th, 2007

My ideas on the main differences are: - Perl is complied at run time and runs faster as a result. Shell scripts are translated line by line. This is much slower for many uses. - Perl handles flo...

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Sharif

• Nov 15th, 2006

set -u -a rm -f out2find $PWD -atime 0 -type f -exec ls -ltr {} ;  | grep "`date '+%b %d'`"  | tr -s " " | tr -d ":" > out2echo "-------Files Modified Today--------"cat out2 | while read ...

Sharif

• Nov 14th, 2006

Hi,find . -atime 0 -type f -exec ls -ltr {} ;  | grep "`date +%b %d`"     This command will show the files which are created today. But for ur second part of the quesiton i needto ...

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write a shell script that accept 7 numbers in loop,then make a sum of this numbers. then count the numbers that are greater than 250 ?

satish

• Jul 10th, 2013

"perl total=0 for a in 1 ...

ardiansyah

• Jul 5th, 2012

Code
#!/bin/bash
"Write a number : ""c=c+1"
        fi
        let "total = i + total""total = $total"
echo " > 250 = $c "

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bswathireddy

 Profile Answers by bswathireddy Questions by bswathireddy

• Jul 21st, 2008

Make provides most help when the program consists of many component files. As the number of files in the program increases so to does the compile time, complexity of compilation command and the likeli...

swankita

• Nov 15th, 2007

Make - maintain, update, and regenerate related programs and?filesIt is used for compiling pro*C (make)?programs.Correct me if I am wrong?

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Hello,I am trying to write a unix shell script program to send mail to cc and to list.I am using the '-c' option for mailx unix command,but am getting an error illegal -c option. Could any one please guide me to use the mailx command in unix shell scripting to send the mail to the Cc and To list along with the attachment ?Thanks in advanceAppreciate the response

Mitra

• Nov 24th, 2011

Code
uuencode attachment1 attachment1 | mailx -c x@yz.com,a@bc.com -s "subject" m@no.com 

Satya Sai Behera

 Profile Answers by Satya Sai Behera Questions by Satya Sai Behera

• Nov 24th, 2011

You should be able to use something like the following example to get the CC option working with mailx. Preferably create a list of users needed to be put in the CC option (as mailCClist.txt in the ex...

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In bash scripting, write a script for the following requirements.
Script in the name of script1.sh. Run this script in every 5 minutes. Before executing second time verify first time executed command status whether it was executed success or not.

Yogesh

• Aug 31st, 2017

If [ [find. -type -f -ctime+1 -print]=="" ] then
call any function. #call script in function##
fi.

kumar

• Jul 4th, 2017

I want to confirm whether my previous day file processed in sftp server then my current date current date script should start. In what way can we have a check whether previous day file processed. please help me in this.

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Mohammed Mujahid

• Feb 9th, 2007

It is capacity of hard disk which is used by RAM for paging.

nani

• Oct 13th, 2006

Virtuval memory meabns separation of logical memory from physical memory.it is implemented by demand paging

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Anand kulkarni

• Oct 3rd, 2006

In shell we cannot edit the text whereas in the editor it is possible to edit the text

vishwa

• Sep 13th, 2006

When we write a command in shell we are directly submitting it to the shell it will directly submits it to the default shell where as in the script we can change the interpreter shell by using the "Hash Bang" line.

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abdas

 Profile Answers by abdas Questions by abdas

• Jun 23rd, 2011

a=10.50b=11.01if [ $a -gt $b ]         then         echo a is greater than belse          echo a is less than bfi

balaksara

 Profile Answers by balaksara Questions by balaksara

• Nov 29th, 2008

A1=10.50
b1=11.01
st=$(echo "$a1 > $b1" | bc)
if [ $st -eq 1 ];
then
# 1 == true
echo "True"
else
echo "False"
fi

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What are the different security mechanisms available in UNIX?

Gunjan David

 Profile Answers by Gunjan David Questions by Gunjan David

• Jun 27th, 2011

A) vi /etc/default/logincomment the line of /dev/consoleb)vi .rhostsenter the hostname by which the only user can connect with your system....bt no one else.....c) disable the ftp for the selected users in /etc/ftpusers file ...

Deepa_0982

 Profile Answers by Deepa_0982 Questions by Deepa_0982

• Jan 21st, 2009

Unix is having 3 ways of Security Mechanism:1. By granting or revoking File permissions. Owner or Admin can change permissions to be given to group or others by using chmod command in Unix.2. Login is...

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Write a shell script to save the output of 'ls -ltr' every five minutes and after every hour it should print which all files are changed/modified/created.

abdas

 Profile Answers by abdas Questions by abdas

• Jun 26th, 2011

Find $HOME -mmin -5 -ls     # run the same in cron

swetha_0505

 Profile Answers by swetha_0505 Questions by swetha_0505

• Oct 26th, 2009

find . -mtime 0   # find files modified between now and 1 day ago (i.e., within the past 24 hours)find . -mtime -1  # find files modified less than 1 day ago (i.e., within the past...

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What does UID and GID signify?

swetha_0505

 Profile Answers by swetha_0505 Questions by swetha_0505

• Oct 26th, 2009

To find a user's UID or GID in Unix, use the id command. To find a specific user's UID, at the Unix prompt, enter: id -u username Replace username with the appropriate user's username. To find ...

Vijaymorey

 Profile Answers by Vijaymorey Questions by Vijaymorey

• Apr 28th, 2009

UID - User idGID - Group idWe can find out using sample command fire @ $ promoit "id" you will user id & group id.e. g step 1 : $ id ---> O/p get display immediately uid=232(vi...

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How to read the contents of fie inside jar without extracting in shell script?

Jegadeesan Ramu

• Jun 5th, 2017

Tar -tvf [file-name]

Reema

• Aug 27th, 2011

You can read the contents of file inside jar without extracting in shell script by using:

tar -tvf file.tar

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Search "DD/MM/YYYY HH:MM:SS" in a file & this format needs to provide input value while executing & remove all the content whatever is before the input value in a file

Eg : #myscript.sh 31/10/2015 10:15:22

Mahender Lal

• Sep 3rd, 2017

To search "DD/MM/YYYY HH:MM:SS" in a file
grep -Eo [0-9]{2}/[0-9]{2}/[0-9]{4} [0-9]{2}:[0-9]{2}:[0-9]{2} file

Yogesh

• Aug 31st, 2017

Ls -ls * | grep "19/01/1989"

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amverma10

 Profile Answers by amverma10 Questions by amverma10

• Jan 4th, 2010

While loopThe syntax for while is: while conditiondo statements...done For loopsThe syntax for the for loop: for name [in list]do statements that can use $name...done Untill loopsThe ...

kabhishek

 Profile Answers by kabhishek Questions by kabhishek

• Dec 11th, 2009

3 loopsforwhileuntil  --> Just reverse of while loop-----------------------"if-elif" or "if else" or "case" not comes in the loop

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