running a command against every line in a textfile

So, you have a text file like so: file1 file2 .. And you want to run a command on each line of the file (say, chmod 644). Like all things…

How to tar (compress) files up, excluding certain files or directories

If you’ve ever been making a backup of an entire Linux system, or maybe just a number of folders but there were certain folders or files that you didn’t want…