~$ dmesg | egrep 'ath|firm|wlan|network|wpa'
alek@alek-Inspiron-1545:~$ dmesg | egrep ath|firm|wlan|network|wpa
No command 'firm' found, did you mean:
 Command 'fim' from package 'fim' (universe)
 Command 'frm' from package 'mailutils' (universe)
 Command 'ferm' from package 'ferm' (universe)
firm: command not found
No command 'wlan' found, did you mean:
 Command 'plan' from package 'plan' (universe)
wlan: command not found
No command 'wpa' found, did you mean:
 Command 'wpp' from package 'wpp' (universe)
 Command 'wpe' from package 'xwpe' (universe)
wpa: command not found
network: command not found