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

Unix Interview Questions

Questions Answers Views Company eMail

Which command should you use to find the remaining disk space in unix server?

1314

What is the behavioural difference between cmp and diff commands?

1289

What is “chmod” command?

1182

Which command is used to find whether the system is 32 bit or 64 bit?

1153

Which unix command lists files/folders in alphabetical order?

2 1765

Name the various commands that are used for the user information in unix.

1092

Can you explain a little bit about command substitution?

1118

Describe the zip/unzip command using gzip.

1162

Explain the terms ‘system calls’ and ‘library functions’ with respect to unix commands?

1223

Explain ‘library functions’ with respect to unix commands?

1175

Can you write a command to erase all files in the current directory including all its sub-directories?

1 1666

What is the command to find hidden files in the current directory?

1192

What is the unix command to confirm a remote host is alive or not?

1221

What do chmod, chown, chgrp commands do?

1291

What is the command to find maximum memory taking process on the server?

1223

Un-Answered Questions { Unix }

How do I find my unix os version?

943

Where is the socket located?

895

Is unix more secure than windows?

860

What is socket programming in java?

847

What is ln(linking)?

1038

How to protect a process from others to kill?

960

What is meant by the term nohup?

944

How do you repeat a command in terminal?

1230

What does find command return in unix?

1160

Is a socket a file?

864

Name the various commands that are used for the user information in unix.

1092

Write a shell script that requests the user's age and then echoes it, along with some suitable comment.

1427

What are the hidden files in unix?

1080

How does shebang work?

1071

Is mac terminal unix?

895

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