neetu

 Profile Answers by neetu Questions by neetu

• Dec 23rd, 2005

both are same. daemons are the background processes in unix. similarly background processes in windows are called as service agents or service processes.

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Puneet Keswani

• Sep 8th, 2006

well this question is more towards the architecture that the operating system has inherited and was predominanatly designed in a way that would have been easier for the integration and ifaster impleme...

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1. To which operating system is GNU/Linux compatible? a. Windows b. Unix c. it\'s a system on it\'s own d. don\'t know2. What is the origin of GNU/Linux? a. 1984 by Richard Stallman b. 1987 by Andrew Tannenbaum c. 1991 by Linus Torvalds d. don\'t know3. What has Linus Torvalds developed? a. he developed the whole system b. he developed the kernel of the system c. he is only...

manish upadhyay

• Feb 6th, 2006

1.c 2.a 3.b 4.a 5.c 6.c 7.b 8.c 9.b 10.b11.b 12.c 13.b 14.a 15.a 16.a 17.c

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rupal

 Profile Answers by rupal Questions by rupal

• Mar 7th, 2006

The ?Sticky Bit? is a permission bit that can be set on either a file or a directory.If it is set on a file, then that file will remain in memory after execution, thus ?sticking? in memory. This is us...

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riteshambastha

 Profile Answers by riteshambastha Questions by riteshambastha

• Apr 11th, 2006

STUB is A temporary implementaion of part of a program for debugging purposes.LILO (LInux LOader) is a boot loader for Linux.

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Looking at history file in unix shell for a user, find 5 most often used commands.

amitkshirsagar

 Profile Answers by amitkshirsagar Questions by amitkshirsagar

• Jul 18th, 2011

Try following- it will give you top most used commands along with the count of how many times they have been used:

"history | awk '{print $2}' | sort | uniq -c | sort -nr | head -5".

Gave me following output on my machine:
166 ls
156 cd
53 pwd
21 clear
10 history

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dipayan_abdur

 Profile Answers by dipayan_abdur Questions by dipayan_abdur

• Jun 19th, 2011

Read ,Write and Execute. Its just that in case of directories, execute right to a user means he can access the directory.

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�inode�, each file has a separate inode and a unique inode number.

Himanshu

• Nov 7th, 2006

The data structure that is used to maintain the In-Core Inode Information is "Inode Table". This table (logical representation) has the following information abt the file:- - type of the file&nbs...

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Yes, it stands for �disk usage�. With the help of this command you can find the disk capacity and free space of the disk.

anil piplani

• Dec 3rd, 2005

Thats right.. du gives you "disk used" and not free disk space. some of the options for du are : du -k   : returns the disk usage in KBsdu -k : gives the disk usage by direcotry and all its sub-directories in KBs

raki_ch

 Profile Answers by raki_ch Questions by raki_ch

• Nov 4th, 2005

"du" reports the disk usage by each sub-dir under the current directory. "du" *does not* show the free disk space. Use "df" for this.

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Yes, �mkfs� is used to create a new file system.

sania

• Mar 7th, 2007

Yes,mkfs -t filesystem? device name.for e.gmkfs -f ext3 /dev/hda2

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$ echo *It is similar to 'ls' command and displays all the files in the currentdirectory.

sameer

• Jan 14th, 2007

Ya u r correct, $echo *  will give u the files in the current directory similar to ls command.

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Kill $!

sameer

• Jan 14th, 2007

To kill the last background job, the following command is used:$ kill $!The system variable $! stores the PID of the last background job.The other method is first find the PID using the ps command, then use kill command to do the job.

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Ls becomes the input to wc which counts the number of lines it receives as input and instead of displaying this count , the value is stored in file1.

sangee

• Nov 15th, 2006

first ls command will list all the files in the current dir.thenthat result is fed to wc -l which will count the number of lines fed by the input(ie ls ),now finally the result which is the number of lines is fed to the file1.

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Answer: /etc/cron.d/cron.deny

ravikumar_koyyada

 Profile Answers by ravikumar_koyyada Questions by ravikumar_koyyada

• Jan 19th, 2007

1.To deny cron access the cron daemon checks if the file /etc/cron.deny exists and if it does then it checks all users listed there for whom cron access has to be denied.2. If /etc/cron.deny does not ...

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Answer: Any remote or local host users can login without any password Rsh and rcp is possible for all users

deadeyes

 Profile Answers by deadeyes Questions by deadeyes

• Oct 4th, 2010

True, except for root!If you want to allow root access: /.rhosts

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Answer: mt -f /dev/rmt/0 rewind

peter

• Apr 9th, 2007

#mt rewind

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mohit

• May 30th, 2007

In the  : dedicated mode

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Please give examples of both Daemon and Server processes. Thanks.

Sonia Chugh

• Apr 15th, 2007

A daemon is a software process that runs in the background (continuously) and provides the service to client upon request. For example named is a daemon. When requested it will provide DNS servi...

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Gaurav

• Apr 17th, 2007

The tar command archives and extracts files to  and  from  a  single  file  called  a tarfile. tar -cvf <abc.tar> /abc/*This command would bundle all the coint...

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Explain about Background and Foreground processes

Manjunath Doddamani NSC Banagalore

• Jan 25th, 2006

Job controlThe C shell handles job control, which allows the user to run certain programs in the background, and recall them to the foreground when necessary. In order to place a running process into ...

apiplani

 Profile Answers by apiplani Questions by apiplani

• Jan 2nd, 2006

Job control in Unix means controlling the execution of jobs. Using fg (foreground), bg(background), jobs, kill, nice etc.. you can actually control the priorities, order and the number of jobs which are being processed. The effective use of these commands is called Job control.

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