DevNet Associate DEVASC 200-901 Official Certification Guide by Adrian Iliesiu (z-lib.org)

$ ls

/home/usern

ame

Lists everything in the /home/username

directory

$ ls -l Lists permissions and user and group

ownership

$ ls -F Displays files and directories and denotes

which are which

mkdir

To create a directory, you use the mkdir command. If
you are in your home directory or in another directory
where you have the appropriate permissions, you can use
this command without sudo. You can use the mkdir
command as follows:

$ mkdir test Makes a new directory called test in the

current working directory if you have

permission

$ mkdir

/home/usern

ame/test

Makes a new directory called test at

/home/username/test

File Management

Working with files is easy with BASH. There are just a
few commands that you will use often, and they are
described in the following sections.

cp

The purpose of the cp command is to copy a file or folder
someplace. It does not delete the source file but instead
makes an identical duplicate. When editing configuration
files or making changes that you may want to roll back,
you can use the cp command to create a copy as a sort of