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

Unix Interview Questions

Questions Answers Views Company eMail

How do I search for text in vi?

1100

Who wrote grep?

1108

Is grep faster than awk?

1082

How do I use grep to search for a file?

1101

How do I search a whole word in vim?

1220

What is time_t?

1161

How do I use grep to find a file?

1162

What is awk used for?

1177

What does grep v do?

1098

What is grep and how do you use it?

1169

What is the difference between grep and grep?

1184

Why is awk called awk?

1136

What does pipe () return?

1127

Why is grep called grep?

1359

What is grep short for?

1098

Un-Answered Questions { Unix }

What is ‘the principle of locality’?

1043

What are the pros/cons of select(), non-blocking I/O and SIGIO?

1405

Is mac unix based?

903

How to write the program on full-duplex communication on bidirectional(e.g using two pipes)?

1052

What is the use of awk command in unix?

1189

Explain how to work unix commands on windows xp without installing unix o/s in pc?

1014

How is a socket created?

968

Tell me when should we use thread-safe "_r" library calls?

942

What is the use of cut command in unix?

1425

What is the nmap command?

1238

Explain the performance differences between user-space threads and kernel-supported threads.?

1343

Which command is used to restrict incoming messages?

1145

Name the command which is used to execute system calls from exe?

984

Which unix shell is best?

1024

Explain command to display different lines that are found when compare two files?

1219

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