poornimay

 Profile Answers by poornimay Questions by poornimay

• May 22nd, 2008

In Hardlink Inode is same and both are independentIn Softlink Inode is diff and the linked file will b a shortcut of first file

harish

• Nov 26th, 2006

Hi....regarding hard link .... the original file will not be deleted when you delete the hard linkit ll be deleted only when the link count becomes zero

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tdr

• Feb 10th, 2016

Hard mounts can be, and very often are, used with autofs as well. To most users, there is virtually no difference between the two except that if "intr" is not added as a mount option with hard nfs mo...

Petratch

• Aug 24th, 2011

NFS supports two types of mounts -- hard mounts and soft mounts. If a mount is a hard mount, an NFS request affecting any part of the mounted resource is issued repeatedly until the request is satisfi...

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Markerhell

 Profile Answers by Markerhell Questions by Markerhell

• Aug 26th, 2009

There are two different ways to do the same.1. var1 = "first"var2 = "second"var3 = $var1$var2The only problem with the above solution is you can not attach the general text at hte ...

sharifhere

 Profile Answers by sharifhere Questions by sharifhere

• Dec 7th, 2006

Variable1="Open"Variable2="Systems"Variable3=$Variable1$Variable2echo $Variable3-- Output OpenSystems

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give UNIX command to wait for a specified number of seconds before exit.

PriyadharshiniNaveenKumar

 Profile Answers by PriyadharshiniNaveenKumar Questions by PriyadharshiniNaveenKumar

• Sep 13th, 2009

Sleep n

shumi

 Profile Answers by shumi Questions by shumi

• Aug 2nd, 2009

'at' command is used for scheduling jobs not for delay

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How will you find the files that are accessed before 10 minutes?

Sakshi

• Feb 28th, 2018

Find . -mmin -10

Prakash Singh

• Mar 5th, 2017

Find . -amin 10

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amitkshirsagar

 Profile Answers by amitkshirsagar Questions by amitkshirsagar

• Jun 21st, 2009

This will give you the exact line you want to match./^Apple.*Mango$

Orions

• Dec 28th, 2006

'esc` then :/word-to-find then `enter`

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nayakss

 Profile Answers by nayakss Questions by nayakss

• Dec 10th, 2008

I don't think there is any hard and fast rule that not to include "." in the Path variable. If you need it, then you can add and add the . at the end. Like /usr/sbin:/sbin:/usr/etc:. 

Rhishikesh

• Feb 16th, 2007

Yes, . means current working directory and having current directory into your path could create problem like.. I can have 'ls' command written in current directory to delete all the files

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Hi,While trying to change the password of a normal user [ I logged in as root], I am getting the following message :-[root@localhost root]# passwd someuserChanging password for user someuser.passwd: Authentication information cannot be recovered[root@localhost root]#-------------------Think there's some issue in PAM configuration for password policy, please guide me for the same. Its urgent. Thanks...

dgangadharn09

 Profile Answers by dgangadharn09 Questions by dgangadharn09

• Jul 11th, 2009

You can use the following command to change the password.Sudo chpasswd -cusername:passwordpress ctrl+d

vishpri

 Profile Answers by vishpri Questions by vishpri

• Apr 16th, 2008

Run pwdck command at the command line.this command will ensure the consistency with all the user authentication files like1. /etc/security/passwd2. /etc/passwd3. /etc/security/login.cfg4. /etc/security/user

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What is rollback command in unix?

UncaAlby

 Profile Answers by UncaAlby Questions by UncaAlby

• Apr 20th, 2010

There is no "rollback" Unix command.The "lost+found" directory has no functionality analogous to the Windows "recycle bin".  This directory is where the "fsck&q...

sham2sushil

 Profile Answers by sham2sushil Questions by sham2sushil

• Dec 14th, 2009

We don't have any rollback command in unix. But we have one folder "lost+Find" in the root area. This is like windows recycle bin. Size of this folder is set by UNIX administrator.

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Please give me in detail the command for concatenating two strings in UNIX

goksn

 Profile Answers by goksn Questions by goksn

• Sep 6th, 2009

Var1=abcvar2=cdevar3=${var1}${var2}echo $var3

vnadipat

 Profile Answers by vnadipat Questions by vnadipat

• Nov 28th, 2008

Str1=abcdefstr2=ghijklmecho ${str1}$str2    orecho ${str1}ghijklm

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Vinil

• Aug 27th, 2014

Using "sar" command also

kiran78

 Profile Answers by kiran78 Questions by kiran78

• Jul 20th, 2012

TOP command and prstat -a

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in unix what is the purpose to use echo with the option "-e"??
i.e echo -e

abhinav

• Jan 19th, 2016

Echo -e /nabhinav
in this first a blank line will be printed after that in next line abhinav. -e is used for special symbols

Gaurav Khurana

• Jan 9th, 2015

For me its printing -e also

[/home/gk]=> echo -e "is it different"
-e is it different
[/home/gk]=> echo "is it different"
is it different


My unix is Sun OS 5.10

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The input from a pipe can be combined with the input from a file . The trick is to use the special symbol “-“ (a hyphen) for those commands that recognize the hyphen as std input.In the above command the output from who becomes the std input to sort , meanwhile sort opens the file logfile, the contents of this file is sorted together with the output of who (rep by the hyphen) and the sorted output...

razi_abbas

 Profile Answers by razi_abbas Questions by razi_abbas

• Mar 31st, 2008

Instead of showing result on screen this redirect the output of who into a file name (newfile)Razi

ajay

• Jul 25th, 2007

Actually the command is who |sort - logfile >newfilethere should be a space between - and logfile.

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arbin pun

• Feb 1st, 2014

Segmentation eliminates internal fragmentation, but it suffers from external fragmentation. Since process is broken into a number of smaller process external fragmentation should be less. partitions...

amit.bansal07

 Profile Answers by amit.bansal07 Questions by amit.bansal07

• Aug 4th, 2009

Memory Partitioning- means partitioning the memory into small units or blocks & load the data or code into the blocks, & use this data & code when required by a process.Paging- i...

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Before answering this question it is important one should know about ls command in detail in UNIX or LINUX operating system. ls command without any option is used to list files and this command list files generally in alphabetical order. That is the command list the files present in a directory with one file per line displayed on the screen. Simply using s command without any option display all files...

djapplegate

 Profile Answers by djapplegate Questions by djapplegate

• Oct 12th, 2007

For a quick listing of Directories I use ls -d */.This lists all the dirs at the current file system level.  It doesn`t follow the leaf nodes down the dir structure. 

vnanda

• Jun 22nd, 2007

Find . -type d It would list the names of all the directories in current directory recursively.ThanksVikram Nanda

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‘grep’ is a pattern search command. It searches for the pattern, specified in the command line with appropriate option, in a file(s). Syntax :      grep Example :    grep 99mx mcafile

cutesree

 Profile Answers by cutesree Questions by cutesree

• Jun 3rd, 2010

When you want to  display the lines which do not start with #, then give following command ,grep -v "^#" file1.txtif you want to serach recursively in all the directories , then give ,grep -r "string"

muru

• Nov 21st, 2006

Grep - stands for Globally Search a Regular Expression and Print. It is used to search a given string/pattern under the given path and list out all the occurances of it in a file or set of...

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edelgado5

 Profile Answers by edelgado5 Questions by edelgado5

• Aug 20th, 2009

Solaris: df -g Linux: /sbin/dumpe2fs /dev/sdaX |grep 'Block size'  

edelgado5

 Profile Answers by edelgado5 Questions by edelgado5

• Aug 20th, 2009

In AIXlsfs -q

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neelimaracha

 Profile Answers by neelimaracha Questions by neelimaracha

• Feb 22nd, 2011

If they are old files, they will be in snapshot directory Goto the directory, at which files were deleted and do cd .snapshot.Files will be present according to the dates in the respective folders lik...

poornimay

 Profile Answers by poornimay Questions by poornimay

• May 22nd, 2008

Using debugfs we can restore the deleted file provided if we know the inode no. of the same file

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hari.pardha

 Profile Answers by hari.pardha Questions by hari.pardha

• Feb 3rd, 2010

Option one is the correct one.

Satya

• Oct 10th, 2007

Boot Block,Super Block,I-list,and Data Block..

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Vaibhav

• Apr 3rd, 2007

This should be as below:sqlplus -s userid/password@databaseIn case you want to connect to SQL databasesqsh -S Servername -U username -P passwordIn case od SYBASEisql -S Servername -U username -P passwordRegards,Vaibhav

Ramakrishna

• Nov 23rd, 2006

Hi All,By writing the shallscript we can directly connected to oracle#!/user/bin/bashsqlplus "/as sysdba"connect SELECT distinct contactname,address FROM customers;shutdown immediate

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