how-using-grep-egrep-command- find-single-multiple-words-pattern-linux-os

Using grep command to find single and multiple words pattern

Using grep command to find single and multiple words pattern Using grep command to find single and multiple words pattern Using the simple grep command, you can able to search for a single word. but, how to search multiple words or parern of words using grep command on lunux Operating Systems. For an example,  search words like error, warning, critical …