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"

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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.

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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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abrenar

 Profile Answers by abrenar Questions by abrenar

• Nov 4th, 2009

Most UNIX servers are configured not to use FTP or TELNET for security purposes, and if you use FTP it has limited number of data can be transfered on one transaction hence I preferred using another w...

UncaAlby

 Profile Answers by UncaAlby Questions by UncaAlby

• Nov 8th, 2008

If you can't get Samba, or you're not the Admin so you can't install it anyway, then use FTP, as it's almost guaranteed to be installed and running on both machines.  The only han...

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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 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.

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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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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

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

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.

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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...

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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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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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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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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.

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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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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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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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