lovely sethi

• Aug 25th, 2007

It is a process by which?user work will proceed at the proper time, whether user is there or not.

suhasiniballa

• Nov 18th, 2005

Scheduling

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zing

• Oct 10th, 2007

To ad to that ....UNIX is also used by about 30% of the population using computers.  Remember not everyone likes windows or microsoft.expand your scope as you will cover the majority

Nainesh

• Jul 21st, 2007

Unix is a barebon O.S. which can be used for software testing process because its kernel is most powerfull and secure!

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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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Ans:  manA filter is a program which can receive a flow of  data from std input, process (or filter) it and send the result to the std output.

Sravanthi

• Oct 17th, 2007

Man and cat

syed

• May 7th, 2007

Pg

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Crontab is a very useful command used for scheduling purpose. If a person working inn Linux operating system wishes to schedule to run later they can achieve this by using the crontab command. Thus it is possible that each user working in the Linux operating system can define their own crontab. There are many options available with this crontab command. Some of them are namely:
Crontab with...

vdeshpande

 Profile Answers by vdeshpande Questions by vdeshpande

• Oct 29th, 2007

Crontab will keep ur jobs ongoing even when u are away crontab *****  each star has its own meanin  hors days month year  dayof the month plz check more on this topic @linux userforums

Bhagavan Reddy

• Apr 19th, 2007

Hi,Please explain clealy crontab command.And i want to run one shell script every 3 hours, and it should start 1 A.M and end should be 10 P.M.How to use crontab command for above requirement...RegardsBhagavan Reddy.

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Two prompts, PS1 (Primary Prompt), PS2 (Secondary Prompt).

Linux User

• Oct 30th, 2007

Bash supports 4 prompts:PS1 - the default promptPS2 - for multi-line inputPS3 - printed for the select commandPS4 - printed before output if set -x is set(see http:// www . gnu . org/software/bash/man...

kcube

 Profile Answers by kcube Questions by kcube

• Nov 13th, 2006

PS1 Prompt used as the normal system promptPS2 Prompt used when the shell expects more inputPS3 Prompt used when you have root authority

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Mukesh Kumar

• Nov 20th, 2007

There are more disadvantages while putting device driver in User Application then RTOS. There will be more overhead, you have to restart the application for supporting your hardware which inturn depends on your device driver files. But in RTOS it should work fine.

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Amit Shiknis

 Profile Answers by Amit Shiknis Questions by Amit Shiknis

• Dec 8th, 2007

Hope this does anser your question - General System Information Tools/Utilitiesuname -a -- brief OS and kernel information. dmesg -- kernel messages given during booting. cat /var/log/messages -- is t...

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how many simultaneous logins are allowed in Linux/Solaris for a single user ?

Amit Shiknis

 Profile Answers by Amit Shiknis Questions by Amit Shiknis

• Dec 10th, 2007

The Linux PAM (Pluggable Authentication Modules) where we can set useful limits for users or login, which can be configured in the /etc/security/limits.conf file.You can control the total limitation w...

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inter process command in UNIX be achieved by a)pipes b)messages c)semaphores d)shared memory e)all

testra

 Profile Answers by testra Questions by testra

• Dec 11th, 2007

D)ALL

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(Forces a process to be killed. ) But what actually happens behind the scene?

shobhitcs

 Profile Answers by shobhitcs Questions by shobhitcs

• Jan 8th, 2008

Kill -9 forcibly kill the process without consider crashes....

gthosani1

 Profile Answers by gthosani1 Questions by gthosani1

• Dec 14th, 2007

Also pkill could be used

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$od -cbd file_namec - character, b - binary (octal), d-decimal, od=Octal Dump.

shobhitcs

 Profile Answers by shobhitcs Questions by shobhitcs

• Jan 14th, 2008

To change the output in binery format the command is :%!xxd -b

shobhitcs

 Profile Answers by shobhitcs Questions by shobhitcs

• Jan 14th, 2008

To change in hexadecimal command :%!xxd in vim editor...and for return to character :%!xxd -r

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How can I save a path to my favorites in command prompt to recall it later?

vishpri

 Profile Answers by vishpri Questions by vishpri

• Mar 9th, 2008

we have an additional command in AIX to obtaine previously used path or command at the command line without assigning that path to a variablerun set -o vi  command at command prompt.this wil...

Susil Kumar

 Profile Answers by Susil Kumar Questions by Susil Kumar

• Jan 4th, 2008

Assign the path to a variable except the environment variables. The variable will hold the value throughout the session. The scope is only to the shell it has been assigned at.Steps:   ...

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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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viva.srivas

 Profile Answers by viva.srivas Questions by viva.srivas

• Apr 15th, 2008

Kill      ---> generates SIGTERM signal requesting process to terminatekill -9 ---> generates SIGKILL signal for process to terminate immediately

Lakshmi Gunturi

• Mar 29th, 2007

Kill -9 is force termination of a job means processes which refuse to die.

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Unix & Aix what's the difference between the two.

vishpri

 Profile Answers by vishpri Questions by vishpri

• Apr 24th, 2008

  AIX is one of the favours of Unix and is developed by IBM. AIX stands for Advanced Interactive Executive. This name came because of an advanced feature(tool)  introduced in ...

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Yes, using the ‘mesg’ command.

wow_suraj

 Profile Answers by wow_suraj Questions by wow_suraj

• May 7th, 2008

messages can be restricted by you with the help of 'mesg n', this will restrict the incoming of messages to your terminal, for again allowing messages for your terminal you can use 'mesg y'.

ashok kumar

• Feb 21st, 2006

Yes its by using mesgbut the command is mesg n(to restrict incomming messge)mesg y(to allow messge)

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suraj

 Profile Answers by suraj Questions by suraj

• Oct 17th, 2005

P: philoshoferf1: forksOne solution is to order the forks and require the philosophers to pick the forks up in increasing order. In this solution the philosophers are labeled P1, P2, P3, P4, and P5 an...

suraj

 Profile Answers by suraj Questions by suraj

• Oct 17th, 2005

/* here is a c code may help u   by suraj */#include <stdio.h>#include <stdlib.h>#include <unistd.h>#include <semaphore.h>#include <pthread.h>#include "msecond....

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katz04

 Profile Answers by katz04 Questions by katz04

• May 18th, 2008

The Linux OS is not virus free. It is as susceptible to viruses as other operating systems. While the relative numbers of Linux viruses is small, the number of viruses written for Linux is growing as Linux comes into widespread use.

Chulbuli

 Profile Answers by Chulbuli Questions by Chulbuli

• Dec 21st, 2007

In Linus, the kernal is protected by the core and the application programes. Eve if there is any virus coming in linux has built in antivirus  application which which detect the virus and  protect the system from it.

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Ls stands for list; so it displays the list of the files that starts with 'chapter' with suffix '1' to '5', chapter1, chapter2, and so on.

poornimay

 Profile Answers by poornimay Questions by poornimay

• May 22nd, 2008

Ls -x displays the list of contents in linewise instead of column wise

MJ

• May 8th, 2006

Yes you are correct. It stands for listing the files Chapter with suffix 1 to 5 but it will display the files in columns as with-x option.

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