Quoting commands

As we learned in the previous section, the shell has a list of special characters that have a special meaning in the shell and trigger some functionality, such as using the wildcard character as filenames. But there are even more special characters than the ones we showed you before. If you want to work with such special characters, for example, using filenames that contain question mark symbols, which are valid filenames, you have a problem, as the shell always first tries to apply special actions to special characters, so they will not work as normal filename characters. The solution here is to disable all special meanings of such characters using various approaches, such as quoting, so that we can treat them as any other normal literal character. As you now know, in the Linux Bash shell, there are some special characters, such as * # [ ] . ~ ! $ { } < &gt...