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

Shell Script Interview Questions

Questions Answers Views Company eMail

What are the three main forms of enabling debugging in a shell script?

ADC, Wipro,

6 14672

what is the difference between writing code in shell and editor?

1 8781

What is the basic difference you find between a shell script and perl?

Yahoo,

3 19769

What is use of "cut" command?

3 10049

what is this line in the shell script do ?#!/bin/ksh

5 14883

How Connect to a Database in Shell Programming?

Syntel,

4 24731

write a shell script to identify the given string is palindrome or not?

CTS, HP, IBM, InfoEst, Wipro,

17 104562

What is INODE?

2 7618

What is the difference between a 'thread' and a 'process'?

3 7869

What are the Different types of shells?

5 9999

What does $# stand for?

IBM,

3 10032

If you have a string "one two three", which shell command would you use to extract the strings?

5 13125

What is the difference between a shell variable that is exported and the one that is not exported?

6 12095

What is MUTEX?

1 6289

How do you schedule a command to run at 4:00 every morning?

Wipro,

5 17453

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Un-Answered Questions { Shell Script }

What does it mean to debug a script?

1051

How do I save a powershell script?

1153

c program which behaves like a shell(command interpreter). it has its own prompt say "NewShell$".any normal shell command is executed from your shell by starting a child process to execute a system program corrosponding to the command

5416

How do scripts work?

1047

How to replace following lines, catch (DAOException e) { objLogger.error(this.getClass () + "addUpdateIssues() " + e); throw new BOException(5122); } catch (BOException e) { objLogger.error(this.getClass () + "addUpdateIssues() " + e); throw e; } catch (Exception e) { objLogger.error(this.getClass () + "addUpdateIssues() " + e); throw new BOException(5122); } Needs to be changed in to, catch (DAOException e) { AppException.handleException (null, null, e, null, null, null, "BOException", this.getClass() + "addUpdateIssues() ", null, null, null, null, null, null, null, null, 5122); } catch (BOException e) { AppException.handleException (null, null, null, e, null, null, "BOException", this.getClass() + "addUpdateIssues() ", null, null, null, null, null, null, null, null, 0); } catch (Exception e) { AppException.handleException (null, null, null, null, null, e, "BOException", this.getClass() + "addUpdateIssues() ", null, null, null, null, null, null, null, null, 5122); }

2375

What is the lifespan of a variable inside a shell script?

1655

How to print the first array element?

1038

What happens on a system call?

1016

What command needs to be used to take the backup?

990

What is path variable bash?

1041

What is bash used for?

1011

Is cmd a shell?

1023

What is a shell made of?

962

What is the crontab?

1086

How to pass an argument to a script?

1209

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