This is a small piece of snippet that can go into your
.zshrc and make your life easier sometimes. This whips up a new command named
findbelow for you. This command takes as argument, a string and returns all the files below your current directory whose names contain the entered string as a substring.
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The below piece of snippet enables you to jump n directories upwards from your current
pwd by typing
u n. For example:
u 5 will take you 5 directories up from your current position.
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This has been tested on zsh.