ramtina@ramtina-desktop:~$ dmesg|egrep -i
Usage: egrep [OPTION]... PATTERN [FILE]...
Try `egrep --help' for more information.
ramtina@ramtina-desktop:~$ drm|radeon|error
No command 'drm' found, did you mean:
Command 'dpm' from package 'dpm-postgres' (universe)
Command 'dpm' from package 'dpm-mysql' (universe)
Command 'crm' from package 'crm114' (universe)
Command 'crm' from package 'pacemaker' (universe)
Command 'rm' from package 'coreutils' (main)
Command 'rm' from package 'safe-rm' (universe)
Command 'vrm' from package 'atfs' (universe)
Command 'srm' from package 'secure-delete' (universe)
Command 'frm' from package 'mailutils' (universe)
Command 'dwm' from package 'dwm' (universe)
No command 'error' found, did you mean:
Command 'perror' from package 'mysql-server-5.1' (main)
drm: command not found
Command 'perror' from package 'mysql-cluster-server-5.1' (universe)
error: command not found
radeon: command not found
ramtina@ramtina-desktop:~$