IT面试笔试题全集_Linux篇_Rain系列.doc

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IT面试笔试题全集_史上最全_Linux篇_Rain系列

几个Shell Script面试题

_追雨制作 1. How do you take a single line of input from the user in a shell

script?

2. Write a script to convert all DOS style backslashes to UNIX style

slashes in a list of files.

3. Write a regular expression (or sed script) to replace all

occurrences of the letter

#8216;f

#8217;, followed by any number of characters,

followed by the letter

#8216;a

#8217;, followed by one or more numeric characters,

followed by the letter

#8216;n

#8217;, and replace what

#8217;s found with the sing

#8220;UNIX

.

4. What happens to a child process that dies and has no parent process

to wait for it and what

#8217;s bad about this?

5. How do you create a swapfile?1. How do you take a single line of input from the user in a shell

script?

2. Write a script to convert

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