01: 14 Unix must-know interview Q&As

Posted on October 3, 2014 by

Q1 How do you remove the Control-M characters from a file? A1 Using the sed command that replaces Control-M with nothing

sed 's/^M//g' ReadWriteFile.sh > ReadWriteFileNew.sh

1	sed 's/^M//g' ReadWriteFile.sh > ReadWriteFileNew.sh

Note: The ^M is typed on the command line with ctrl+v and ctrl+M

dos2unix ReadWriteFile.sh ReadWriteFile.sh

1	dos2unix ReadWriteFile.sh ReadWriteFile.sh

Q2 How will you…

Arulkumaran Kumaraswamipillai

Mechanical Engineer to self-taught Java engineer. Freelancing since 2003. Preparation & key know-hows empowered me to attend 190+ job interviews & choose from 150+ job offers. Author of the book "Java/J2EE job interview companion", which sold 35K+ copies & superseded by this site with 2,050+ users. Amazon.com profile | Reviews | LinkedIn | LinkedIn Group | YouTube

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01: 14 Unix must-know interview Q&As

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