commandlinefu.com is the place to record those command-line gems that you return to again and again.
Delete that bloated snippets file you've been using and share your personal repository with the world. 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.
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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,…):
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creates 100 directories f(1-100) with a file in each matched to the directory (/f1/myfile1, .. /f98/myfile98,/f99/myfile99/,/f100/myfile100,etc )
Example above will recursively find files in current directory created/modified in 2010.
Ever need to erase the contents of a file and start over from scratch? This easy command allows you to do so. Be warned! This will immediately erase all the contents of your file and start you over from scratch (i.e. your file will be at 0 bytes, like if you touch a file).
-R Recursively change attributes of directories and their contents.
+i to set the immutable bit to prevent even root from erasing or changing the contents of a file.
Forces the -i flag on the rm command when using a wildcard delete.
Would create a file with a meaningful title. Dedicated to John Cons, who is annoying us users. Merry Christmas!!!
atime and mtime timestamps of $FILE2 is changed according to the ones of $FILE1. If $FILE2 doesn't exist is created.