Exim4 - delete msg queue with one command: if the message is frozen exim4 -bpru|grep frozen|awk {'print '}|xargs exim4 -Mrm if the message is <> exim4 -bpru|grep '<>'|awk {'print '}|xargs exim4 -Mrm if all exim4 -bpru|awk {'print '}|xargs exim4 -Mrm How to replace ^M characters from a file using perl perl -pi -e "s/\cM//g" /path/to/file ImageMagick TricksConvert to RGB
convert -colorspace rgb test1.tif test1.jpg Convert from PDF to JPG convert -resize 200x200 -quality 100 -colorspace rgb test1.pdf test1.jpg Reference: http://www-128.ibm.com/developerworks/library/l-graf/?ca=dnt-428 |