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?

1315

What is the behavioural difference between cmp and diff commands?

1289

What is “chmod” command?

1183

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 }

What is $0 bash?

1207

How is windows different from unix?

972

Describe the usage and functionality of the command rm –r * in unix?

2105

Who wrote grep?

1071

What is unix in simple terms?

917

How do you sort in unix?

974

What is the difference between cat command and more command?

1211

Explain a path in unix.

957

What do chmod, chown, chgrp commands do?

1291

What is a filter in unix? Give an example.

932

Explain the system calls used for process management?

977

What is a directory?

964

What is unix and why is it important?

951

Discuss briefly about the directory representation in unix.

1010

What is socket address with example?

858

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