command line

• Boot up with command key and S key pressed (Single user mode)
• fsck -fy
• mount -uw /
• password username

Resize all tif images in the current directory:

mogrify -resize 25% 25% *.tif

Resize all jpeg images in the current directory to a width of 614 pixels and keep the image ratio constant:

mogrify -resize 614 *.jpg

As above, but resize the hight to 614 pixels:

mogrify -resize x614 *.jpg

Convert all bmp imgaes in the current directory into tiff images:

mogrify -format tiff *.bmp

Compress all tiff images in the current directory with ZIP compression:

K3b seems to be the best GUI for burning CDs on Linux. But today it failed to burn an image file (bin/cue) and I don't know why. So I used:

cdrdao write --device /dev/cdrecorder --speed 8 filename.cue