Question

Explain following command in detail: Is, cat, wc, chmod

Answer 1

The ls will list all files stored in the directory.   You can also see the multi-column and brief list of files.

A cat is a command that outputs contents of text file. We can use this command for reading the brief files.

When it comes to wc, this command is available in the Unix-like operating systems. The chmod changes permission details linked to a file.