Linux Commands Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Linux Commands Interview Questions

Questions Answers Views Company eMail

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

4 10871

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 30038

what is lilo?How it is useful in linux?

HCL, SofTec,

3 12644

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 8600

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 10211

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

Sabre,

4 11606

what is the last file executed during the boot process?

iOPEX,

5 11324

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

2 6666

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 6681

How we can set the password length in linux?

Wipro,

2 7751

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 6767

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

2690

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

Mind Tree,

1 5109

How did you do the Health check in Linux?

Mind Tree,

1 7589

In Linux how you set time a limit on quota?

Mind Tree,

1 6809

Post New Linux Commands Questions

Un-Answered Questions { Linux Commands }

What is the programming language for linux?

1184

What is pwd in linux command?

1216

What is tail command in linux?

1044

What is clang tidy?

1004

What is help command in linux?

1032

How do I create a .txt file?

977

How do I run a bash script in linux?

1003

What command do you type to find help about the command who?

980

How do I find the process id in linux?

1042

How do I find old commands in linux?

1086

What is a make target?

963

What is bash command?

1026

What is a makefile in linux?

997

What are the linux commands used in devops?

1059

What is umask 000?

945

For More Un-Answered { Linux Commands } Questions Click Here