To determine whether your current Linux working directory contains any hidden files, you would use the following command:
`ls -a`
Here's a detailed explanation of why this is the correct command:
1. `ls -a`: The `ls` command is used to list the contents of a directory. Adding the `-a` option includes all files and directories, including hidden ones. In Linux, hidden files and directories are those whose names start with a dot (`.`). By using `ls -a`, you can see these hidden files and directories along with the regular ones.
2. `ls -l`: The `-l` option with `ls` lists files in a long format, displaying detailed information about each file. However, it does not inherently show hidden files unless combined with the `-a` option (e.g., `ls -la`).
3. `pwd`: The `pwd` command stands for 'print working directory.' It simply prints the full pathname of the current working directory. It does not list any files, hidden or otherwise, within the directory.
4. `is`: This seems like a typographical error and is not a valid command. The correct command to list files is `ls`.
By using `ls -a`, you can verify the presence of hidden files in your current working directory. Therefore, the correct answer is:
`ls -a`
