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

Unix Commands Interview Questions

Questions Answers Views Company eMail

Explain the steps that a shell follows while processing a command.

1161

What difference between cmp and diff commands?

1241

What is the difference between cat and more command?

1224

Write a command to kill the last background job?

1020

Which command is used to delete all files in the current directory and all its sub-directories?

1207

Write a command to display a file’s contents in various formats?

1148

What will the following command do?

1061

What is the use of the command 'ls -x chapter[1-5]' ?

1153

Is ‘du’ a command? If so, what is its use?

1091

What happens when we execute a unix command?

1088

How to use grep command to list find the records of a file containing 10 different strings?

1086

Using unix command how to display no of records in oracle?

1110

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

1106

Explain command to view process running?

1066

What are the general commands in using unix os for a beginner?

1093

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Un-Answered Questions { Unix Commands }

Is there any method to erase all files in the current directory, along with its all sub-directories, by using only one command?

1142

Differentiate cmp command from diff command.

1103

Which command is used to kill the last background job?

1289

What is the command to view process running?

1068

Which command is used to restrict incoming messages?

1042

Is ‘du’ a command? If so, what is its use?

1091

How do I use grep to find a file?

1057

How do I run a bash script?

1112

What is grep in bash?

1007

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

1154

What is nr in awk command?

1132

Describe the zip/unzip command using gzip.

1098

Why is it called grep?

969

Explain ‘library functions’ with respect to unix commands?

1113

What command will change your prompt to myprompt?

1251

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