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Which of the following commands would combine the contents of the three files, morning.log, evening.log, night.log into one combined.log file?wc *.log > combined.logecho *.log > combined.logcat *.log > combined.log

Question

Which of the following commands would combine the contents of the three files, morning.log, evening.log, night.log into one combined.log file?wc *.log > combined.logecho *.log > combined.logcat *.log > combined.log

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Solution

The command that would combine the contents of the three files, morning.log, evening.log, night.log into one combined.log file is:

cat *.log > combined.log

Here's why:

  • The 'cat' command in Unix/Linux is used to display the contents of a file, copy the contents of a file to another file, or concatenate and display the contents of multiple files.

  • The '*.log' is a wildcard that matches any file ending in '.log', so it would match all three of your files.

  • The '>' operator is used to redirect output. In this case, it's redirecting the output of the 'cat' command (which is the contents of the files) into the file 'combined.log'. If 'combined.log' doesn't exist, it will be created. If it does exist, it will be overwritten.

So, 'cat *.log > combined.log' will concatenate the contents of all '.log' files and write them into 'combined.log'.

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