| RHCSA |
| 1 | pwd - shows which directory am I in. |
| 2 | whoami - shows current user name. |
| 3 | ls - lists files in the current directory. |
| 4 | ip addr show - shows your current IP configuration. |
| 5 | free -m - show how much memory you have in mebibytes. |
| 6 | df -h show available disk space (disk free). |
| 7 | cat /etc/hosts - shows the contents of a file. |
| 8 | findmnt - shows mounted file systems. |
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