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What can be possible is + is there in host.equiv file ?
Answer: Any remote or local host users can login without any password Rsh and rcp is possible for all users
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What are the different process states?
russpark
- Sep 29th, 2010
This varies by individual Operating System Vendor (AIX, HPUX, etc...) -here's what the man page for the ps command in hpux 11i v1 says: &...
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How to copy a file from Remote AIX server to my local windows desktop
I am logging to remote AIX server, i want to copy a file from that server to local windows desktop. How can i do this?
tonan
- Jul 3rd, 2009
Usually you can ftp to transfer files from one system to another, but ftp uses plain text passwords, therefore you can use scp ( secured copy protocol)unix/linux its inbuilt : scpwindows : pscpso from...
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What are the kernel parameters?
RamaGiri
- Jun 11th, 2010
Kernel parameters are:1) /sbin/sysctl -a | grep sem2) /sbin/sysctl -a | grep shm3) /sbin/sysctl -a | grep file -max4) /sbin/sysct -a | grep ip_local_port_rangel
shobhitcs
- Jan 14th, 2008
Please specify it ...its not working with sun soleris version 9.0..its saying command not find
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What is the use of ‘grep’ command?
‘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
- 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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UNIX File Access
The syntax of command statement in UNIX 10. If the permission for a file is 000, then the file can be accessed by whom?
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Program Termination
If a program is terminated at the middle of execution in UNIX, What will happen to the program?
UncaAlby
- May 16th, 2010
Nothing, actually. The OS will halt program execution, retrieve whatever resources the program was using, close whatever files it had open, and go back to doing everything else an OS does. If there is...
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Rollback command
What is rollback command in unix?
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
- 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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In which of the following order are four sections of the file system in Unix arranged 1. Boot block,Super Block,I-list and Data block 2. Boot block,Data Block,Super block and I-list 3. Boot block,Data Block,I-list and Super block 4. Super block,Boot block,I-list and Data block
Satya
- Oct 10th, 2007
Boot Block,Super Block,I-list,and Data Block..
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How will you mirror a volume and how will you find if a volume is mirrored ? lsvg –l (vol gp name)
deenadayalan_d
- Jan 30th, 2010
We can find whether mirrored or not by seeing number of pps, if number of pps is double the size of pp size then it is mirrored. to mirror # mirrorvg vgname diskname
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Portable UNIX
Why is UNIX more portable than other operating systems?
sunnypapa
- Jan 28th, 2010
Unix operating system is written in C language, hence it is more portable than other operating systems, because of this it is most popular all over the world.
abrenar
- Nov 4th, 2009
UNIX is portable because you can customize or configure it the way you want it and how you will use it.
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Usage of source command in unix
What is the use of "source" command apart from running the script in current shell?
munjalpankaj
- Jan 5th, 2010
This command takes the concept of specified file and passes it to the interpreter as text script. The return value of this would be the last command executed in the script.
mani_develop
- Oct 1st, 2009
The soure command is used for two ways. 1. If you want run the more than one command at the time. then you should write the commands in one file. which is run by source command...
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UNIX Command for Delay
give UNIX command to wait for a specified number of seconds before exit.
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UNIX Commands questions
1. Why is the . not included in the path?2. How will you mirror a volume and how will you find if a volume is mirrored ? lsvg –l (vol gp name)3. A system is echoing the ping but not able to login via telnet why ?Etc /services etc/inetd.conf4. what is the migration path from 4.3 to 5.1 ? (or any versions)5. A system is able to ping within the network but not outside why ?6. What are the components of...
goksn
- Sep 6th, 2009
Telnet is not secured but SSH is secured. Telenet and FTP can be easily traced by hackers where as SSH (which uses SSL) cannot be easily traced.
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How to concatenate two strings in UNIX
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Write command to delete all the files from a directory which have been created after a specified time.
cmanne
- Sep 2nd, 2009
find -name "*.dmp" -mtime +180 -exec rm -f {} ; The above one liner will delete the files after searching for the coredump files under the specified directory path which are older than 180 days.
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Setting kernel parameters
How to set kernel parameters in Red Hat Linux, AIX, & Solaris.
cmanne
- Sep 2nd, 2009
There are two methods to configure the Kernel parameters in RHEL1. by using the command "sysctl -w <parameter_name>= <value> The above command will change the kernel parameters on the f...
Manimartyr
- May 1st, 2008
Kernel parameters can be set using sysctl utility.. or try using /etc/sysctl.conf
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What is the unix command used for giving or changing the permissions for files and folders?
cmanne
- Sep 2nd, 2009
the best was is to use CHOWNExample:chown owner:group chown -R owner:group <---- This will change the owner and group of all the files inside the directory recursively.
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How do you get current CPU utilization, memory and disk space usage in Linux/Unix?
What are the commands?
karkhile_rahul
- Jun 5th, 2009
We can find the CPU utilization by using topas command.and memory utilization by svmon command
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What is the command in UNIX to see a list of opened files?
UNIX Interview Questions
Ans