The following tools are used to learn about the structure of the system as well as its processes, network configurations, users, directories, user settings, and corresponding parameters:
| Command | Description |
|---|---|
whoami | Displays current username. |
id | Returns users identity |
hostname | Sets or prints the name of current host system. |
uname | Prints basic information about the operating system name and system hardware. |
pwd | Returns working directory name. |
ifconfig | The ifconfig utility is used to assign or to view an address to a network interface and/or configure network interface parameters. |
ip | Ip is a utility to show or manipulate routing, network devices, interfaces and tunnels. |
netstat | Shows network status. |
ss | Another utility to investigate sockets. |
ps | Shows process status. |
who | Displays who is logged in. |
env | Prints environment or sets and executes command. |
lsblk | Lists block devices. |
lsusb | Lists USB devices |
lsof | Lists opened files. |
lspci | Lists PCI devices. |