sharifhere

 Profile Answers by sharifhere Questions by sharifhere

• Dec 7th, 2006

Extensively used one are:ps -eafkillfork

Divya

• Oct 23rd, 2006

System Calls for process control * fork() * wait() * execl(), execlp(), execv(), execvp() * exit() * signal(sig, handler) * kill(sig, pid)

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What is the number of masked code ee@?

Bharath Yadlapalli

• May 2nd, 2012

When kill -3 command is executed, it will quit from executing the process and additionally it will dump core for that process mentioned with pid.

Sandhya.Kishan

 Profile Answers by Sandhya.Kishan Questions by Sandhya.Kishan

• Apr 10th, 2012

022 is the number of mask code ee@.

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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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cowson

• Apr 12th, 2006

Cfdisk is perfect....

Bishnu Narayan Batas

• Apr 10th, 2006

Check your hard disk deviceand use the fdisk and the harddisk device name eg /dev/sda

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compress command is used for compressing a file that is for making the file size compact so that it becomes small. When a compress command is used in UNIX all the file attributes like the owner of the file and other things remain same except the file size is compressed and the extension of the file becomes .ZThe general syntax for compressing file iscompress filenameFor instance if one like to compress...

SureshBV

 Profile Answers by SureshBV Questions by SureshBV

• Mar 7th, 2007

Exactly as in the above comment Compress command is for compressing the file and it can uncompress when ever required.compress <filename> - to compressuncompress <filename> - to uncompress...

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Shell layer manager is also called as shl in short. This utility is used for running number of scripts simultaneously at the same time in a single terminal. This utility plays a very important role in UNIX operating system because as we all know UNIX is a multi-programming operating system. So in other words there many be many instances or occurrences in which the users in the UNIX operating system...

thangaraj

• Jan 27th, 2007

It means same for dos external commands

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sleep:
This command is used in UNIX operating system to suspend execution of the system for the specified time limit mentioned in it as parameter.
The general format of sleep command is

sleep no_of_seconds

The sleep suspends the execution of the shell in UNIX operating system for the no_of seconds specified.
For instance

sleep...

sudhir deshmukh

• Mar 8th, 2007

sleep is a Unix command line program that suspends program execution for a specified period of time.Wait The wait function suspends execution of the current process until a child has exited, or until ...

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bsmanyan

 Profile Answers by bsmanyan Questions by bsmanyan

• Jan 29th, 2009

A hardware or software flag. In multitasking systems, a semaphore is a variable with a value that indicates the status of a common resource. It's used to lock the resource that is being used. A pr...

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