Crosh is a shell environment known as “chrome shell” that is provided with Chrome OS. Crosh allows users to run several commands directly from chromeos. Developer mode is not required to use crosh. The vast majority of linux commands are locked down inside crosh. Crosh can be accessed by pressing CTRL+ALT+T on the keyboard. This will open a new tab with the crosh terminal.
cosh has two separate versions of help.
you can access help in the crosh window by simple typing help. This will give you a list of commands that can be used inside crosh. To get a list of the more advanced commands type help_advanced. A have created a short list of some of the more common commands below.
top: This command is used to list the top consuming processes on the system by processor power and memory consumption. This is helpful for tracking down issues. For more information type help inside crosh and reference the section about top.
ping: Ping another machine on the network. This is helpful when checking connectivity on the network. For more information type help inside crosh and reference the section about ping.
ssh: Connect to another client or machine using ssh. For more information type help inside crosh and reference the section about ssh.
To access further functionality from crosh such as shell, chromeos needs to be in developer mode. (developer mode )
Below is a list of the commands you can run in crosh.