Source: http://superuser.com/a/624574
This command will replace spaces in filename with underscore, for all file in directory that contain spaces.
Convert all PNG images in directory to JPEG using ImageMagick, and delete the old PNG images.
Create Debian package dependency graph using GraphViz
Converting your PDF file to JPEG images. You can set resolution by -r option (default: 72dpi).
commandlinefu.com is the place to record those command-line gems that you return to again and again. That way others can gain from your CLI wisdom and you from theirs too. All commands can be commented on, discussed and voted up or down.
Every new command is wrapped in a tweet and posted to Twitter. Following the stream is a great way of staying abreast of the latest commands. For the more discerning, there are Twitter accounts for commands that get a minimum of 3 and 10 votes - that way only the great commands get tweeted.
» http://twitter.com/commandlinefu
» http://twitter.com/commandlinefu3
» http://twitter.com/commandlinefu10
Use your favourite RSS aggregator to stay in touch with the latest commands. There are feeds mirroring the 3 Twitter streams as well as for virtually every other subset (users, tags, functions,…):
Subscribe to the feed for: