One linux command per day cat

The cat command outputs the file content to the console or another file. You can view the command parameters without paging cat -- help. CatfileName1fileName2 outputs the content in the fileName1 and fileName2 files to the console. Of course, you can also add more files or one file ....
The cat command outputs the file content to the console or another file. You can view the command parameters without paging cat -- help. Cat fileName1 fileName2 outputs content in fileName1 and fileName2 files to the console. Of course, you can also add more files or one file. Cat-n fileName starts from 1 and outputs the content and row number in fileName. Cat-B fileName is similar to-n, but empty rows are not numbered. Www.2cto.com cat-s fileName converts multiple consecutive empty rows into one row of output. Cat-v fileName displays the file control characters (for more information ). Cat from1 from2> to combines the content of from1 and from2 and puts them into the to. if the to does not exist, a new to is created. Of course, from can be more or only one.> Append. Cat> fileNamehelloworld Input the input file fileName to the terminal, and press ctrl + d to complete the input. Author: CrazyNemo