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linux Using the grep or egrep commands, what would be the full command (including regular expression)...

linux

Using the grep or egrep commands, what would be the full command (including regular expression) to view only the lines in the file /boot/grub/grub.cfg that DO NOT begin with a hashtag (the # sign). In other words, what would be the command to print all the lines in this file that do not begin with this character.

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Expert Solution

Grep command in Unix/Linux is the short form of ‘global search for the regular expression’.

The grep command is a filter that is used to search for lines matching a specified pattern and print the matching lines to standard output.

Grep Regular Expression. A regular expression or regex is a pattern that matches a set of strings

Command:

grep "^[^#;]" /boot/grub/grub.cfg

Original Grub File with Hashes

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venereology answered 10 months ago
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