Explain any precautions needs to be take before you do soft mount

kabilan

• Mar 21st, 2014

An NFS file system that is mounted with the soft option returns an error if the server does not respond. The hard option causes the mount to continue to retry until the server responds. The default is hard

if you want to do soft mount try this cmd ln -s

Arjun

• Feb 13th, 2013

Ln -s

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1. Output of who should be displayed on the screen with value of total number of users who have logged in displayed at the bottom of the list.2. Output of ls should be displayed on the screen and from this output the lines containing the word ‘poem’ should be counted and the count should be stored in a file. 3. Contents of file1 and file2 should be displayed on the screen and this output should be...

praveen

• Apr 11th, 2014

1. Output of who should be displayed on the screen with value of total number of users who have logged in displayed at the bottom of the list. Ans: who | tee users.txt && who | wc -l 2. Output of ls...

santosh

• Mar 20th, 2012

Who;echo "Total number of users: "`who|wc -l`

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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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Explain if semaphore variable is different from ordinary variable ?

Gaurav.khurana

 Profile Answers by Gaurav.khurana Questions by Gaurav.khurana

• Apr 19th, 2015

It can have only positive whole number
It has only two operations wait and signal
Shared across multiple process , but single process has exclusive access to resources via it

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anil

• May 3rd, 2015

By $#

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Command to find the IP of an Proxy Server in UNIX

Abhinav

• Sep 22nd, 2015

Route -n or ifconfig

Somnath

• Apr 1st, 2015

Hostname -i

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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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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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ri

• Mar 22nd, 2016

Kernel basically provide the interaction layer between application programs and the physical device.

jay prakash patel

• Aug 14th, 2011

Kernel is base foundation of operating system .The kernel provide services such as hardware and software interaction
and memory management. Efficiency of operating system is depend on efficiency of kernel.

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In LINUX OS if Server goes down, What will you do to restore it back?

sagar

• Jun 2nd, 2016

Server goes down in LINUX, 1. Check whether vm or physical -check on console there should be some thing displayed on console window -if kernel panic or gives blank window try for hard reboot. 2. The...

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How to check the file system is hard mounted or soft mounted?

Is the output redirection operator when used it overwrites while >> operator appends into the file.

Anupam Kumar

• Nov 2nd, 2016

> will redirect the output to file and will overwrite its existing contents. >> will just append.

Sabbir

• Mar 29th, 2016

> is used to copy data (output) by overwriting old data.
>> is used to copy data (output) without overwriting old data. Just will be added under old data.

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cmp - Compares two files byte by byte and displays the first mismatchdiff - tells the changes to be made to make the files identical

Anupam Kumar

• Nov 2nd, 2016

Com - will give the difference between two files; data available only in file 1 or file 2; data available in both the file.
Diff - will give difference between two file in a way that how file 1 and be in sync with file 2.

Deepak

• Sep 3rd, 2014

To check the differences between the data of two files cmp command is used. But it displays only the first difference. Syn: $ cmp file1 file2 To display all the differences between the files diff comm...

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What is the number of the masked code ee@?

Sthitaprajna kar

• Mar 20th, 2017

022 is the masked code.

Sandhya.Kishan

 Profile Answers by Sandhya.Kishan Questions by Sandhya.Kishan

• Jun 15th, 2012

022 is the number of the masked code ee@

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Hello,I want to extract 2 characters of the first column of the one file, that file has 19 columns, in bash script.the first column is some thing like this 2005-07-25, and I want to extract 07. I wrote this codeawk '{ print $ substr ($1,6, 2)}, but out put is he whole of the column: 2005-07-25! can you help me?

vishal singh

• May 8th, 2017

Awk {print substr($1,1,2)} t1.txt t1.txt NAME AGE GENDER SANTOSH 23 Male ajay 24 Male vijay 24 male

Code
 

apoorva

• Apr 25th, 2017

Awk -F "-" {print substr($2,0,2)} xdf.txt

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VISHAL SINGH

• May 8th, 2017

First character represent whether it is file or directory or link file .
d--> is directory
- --> is file
drwxrwxrwx
drwxrwxrwx
-rw-rw-rw-
-rw-rw-rw-
-rw-rw-rw-
-rw-rw-rw-
-rw-rw-rw-
-rw-rw-rw-
-rw-rw-rw-
-rw-rw-rw-
-rw-rw-rw-
drwxrwxrwx
-rw-rw-rw-
-rw-rw-rw-

Sagar Mishra

• Nov 11th, 2016

The first character that will return is either(-) or (d).

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How to restore grub file unstall?

Jaipalreddy

• Jun 22nd, 2017

Gzep filename.gz

Manvendra

• Jun 4th, 2016

Lot of options available like gzip, compress and tar

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How to search a file in a directory having sub directories having size more than 10MB?

reshma

• Jul 27th, 2017

Find . -type f -size +10M -exec ls -lh {} ;

Pankaj

• Nov 17th, 2016

Find -maxdepth 2 -size +10M -type d -print

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Pradip

• Sep 14th, 2017

Mv file.txt .file.txt ----for making file hidden
rm .* -------for deleting hidden files.

Anupam Kumar

• Oct 27th, 2016

To hide a file- mv filename1.dat .filename.date to remove only hidden file-

Code
span style="color: #666666;">"comm -2 file1.txt file2.txt"

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