Answer Posted / jayachandran.g.r

it is used to use arithmatic operation in shell scripting

stntx: expr op1 opertor op2

where op1 and op2 may be any integer no(without any
decimalpoint)and operator can be
+ Addition
- Subtraction
/ division
% Modular
\* Multiplication


EX: $expr 1 + 3


o/p 4

determine the output of the following command: echo ${new:-variable}

542

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What does echo $0 do?

576

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How does path variable work?

542

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Where are cowrie shells found?

570

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What is option in shell script?

552

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Is shell scripting easy to learn?

561

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What does sh mean?

614

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I want to create a directory such that anyone in the group can create a file and access any person's file in it but none should be able to delete a file other than the one created by himself.

590

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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); }

1848

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I want to monitor a continuously updating log file, what command can be used to most efficiently achieve this?

742

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What are the advantages of shell scripting?

580

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What is basename in shell script?

582

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What does chmod do?

570

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how to print the 2-d, 3-d arrays in unix shell script programs please answer thi questio to my mail venusaikumar@gmail.com

2103

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What are the advantages of shell script?

517

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