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Some of the most basic commands you can use in Cygwin are the search and comparison tools. To find a file you can input the following command: $ find . -name EXAMPLE. This will show you all of your files with that name, however, it is case sensitive. If you would like to find certain text within a file, you need to incorporate the "grep" command. Thus, to find all instances of "EXAMPLE" you would need to input $ grep 'EXAMPLE' EXAMPLE.txt. This will provide you with all of the instances of the text "EXAMPLE" within the EXAMPLE.txt file. However, this particular command is case sensitive. To find all instances of "EXAMPLE" regardless of case, continue to the next step. To find text regardless of text, simply add -i after the grep command. It should look something like this: $ grep -i 'EXAMPLE' EXAMPLE.txt. If you would like to compare two files, you can easily do so by entering the diff command. Simply input the command followed by the names of the two files you wish to compare: diff EXAMPLE.txt PRACTICE.txt. This will then present you with the two files, one after another. Some of the basic commands are listed in the table below alongside their corresponding command in Windows. Action Windows Cygwin list directory dir ls clear console cls clear copy file(s) copy cp move file(s) move mv delete file(s) del rm create directory md mkdir remove directory rd rm -rf change current directory cd cd current directory cd, chdir pwd search find grep concatenate cat cat permissions chmod chmod display/output text echo echo
Find a file. Find a keyword within a file. Find text regardless of case. Compare two files. Explore the basic commands.