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Linux Commands Interview Questions
Questions Answers Views Company eMail

What is the command to change from /etc/passwd file to /etc/shadow file?

 4 9352

i am prepairing for 2+ yrs exp in oracle/unix production support, which topics should i cover in unix/linux and sql plz help

HCL,

2 28981

what is lilo?How it is useful in linux?

HCL, SofTec,

3 11108

I have a user name in /etc/vsftpd/user_list which is for blocking the ftp user. Now i blocked the user as well ,but without removing username in user_list i wanna access the users home directory and his own directory .How will you access the data ????

Span Systems,

3 7308

I have my default runlevel is init5 now i have configured to init 3,now i wanna run my system in init3 process without reboot the system .How will you do for this scenario?

Span Systems,

6 8359

What is the difference between kill and kill -9 commands?

Sabre,

4 9907

what is the last file executed during the boot process?

iOPEX,

5 9643

what is first RHEL 5.x version support ext4 filesystem?

 2 5704

In /boot/grub/grub.conf file there is a line kernel /vmlinuz-version ro root=/dev/sda2, What is the meaning of "/" before vmlinuz? Pls explain?

HCL,

1 5817

How we can set the password length in linux?

Wipro,

2 6545

When u comment the ctrl+alt+del trap in the /etc/inittab save the file. Tell the command to save the changes without rebooting the machine?

HCL,

1 5985

How to activate / deploy licence in RHEL 6 and what will happen if you don't activate / deploy licence in RHEL 6 ?

 2263

How to add Crete a new ftp user? or How to add a exiting user into FTP ?

Mind Tree,

1 4393

How did you do the Health check in Linux?

Mind Tree,

1 6767

In Linux how you set time a limit on quota?

Mind Tree,

1 5975

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Un-Answered Questions { Linux Commands }

Which command is used to compare the files?

485

Explain about sh?

578

What is the root directory linux?

496

How do I set permission to run in linux?

566

What does f mean linux?

522




How do you ask politely?

523

How do I find the umask value in linux?

502

How do I check if my cpu is overclocked?

534

How can we increase disk read performance in single command in Linux?

554

What is the gcc command?

504

How do I check dns entry?

545

How do I run whois command?

497

Explain about the command lynx?

661

What does history command do in linux?

519

What is p command?

558

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