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grep Command in Linux O.S

                                             grep Command in Linux O.S

 command line utility for searching plain-text set for lines that match a regular expression its name come from the cd command

g|re|p


  • find word
           grep "<word want to find>" <txt file>



  • find only whole word 
             grep -w  "<word want to find>" <txt file>




  • find regular and lower match waords
           grep -wi  "<word want to find>" <txt file>




  • find word in which line 
             grep -win  "<word want to find>" <txt file>



  • find what is before matches line
              grep -win -B  "<word want to find>" <txt file>



  • see upside and lower side of the word
         grep -win -c(2,3)  "<word want to find>" <txt file>


  • see matches folders/files
             grep -win  "<word want to find>" .



  • Find whole words only
              grep <find the word>*


      
  • To show only the lines that exactly match search string
              grep -x “number or word want to search” *




  • Limit grep output to a fixed number of lines

             grep -m2 "<word want to find>" <txt file>





                                                                                                           Written By Sanjay Kumar
                                  
                                                                                                       https://www.instagram.com/sanjayer111/
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Comments

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