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

Unix Interview Questions

Questions Answers Views Company eMail

What is ctrl d?

1049

How does shebang work?

1022

What does the metacharacter mean?

1095

What does grep v grep do?

1026

What is sed awk grep?

1075

How do I run a bash script?

1116

What is .sh file?

1116

How does pipe () work?

1046

What is $0 bash?

1135

What is grep in bash?

1013

How do you grep a case insensitive?

1004

Who invented grep?

1113

Why is it called a shebang?

1099

What does awk stand for?

1039

What is updatedb?

995

Un-Answered Questions { Unix }

Why do we need sockets?

767

What are the advantages and disadvantages of unix operating system?

979

How old is unix?

865

What are data structures that are used for Demand Paging?

941

What are grep patterns?

1029

What are the events done by the Kernel after a process is being swapped out from the main memory?

2556

How to display no of records in oracle using unix command?

1109

What are the criteria for choosing a process for swapping out of the memory to the swap device?

954

Why is it that it is not advisable to use root as the default login?

959

Is unix a kernel?

867

How to give execute permission for a file in unix?

960

How do I run a ksh script in unix?

919

Explain how do you create special files like named pipes and device files?

896

Why does it take so long to detect that the peer died?

1457

why unix commands simpler rather than complex task

4348

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