folders

How to show the largest files under a directory on Mac OS X (Unix)

Here’s an example that shows how to find the largest files under a directory on MacOS and Linux/Unix systems.

A du/sort command to show the largest files under a directory on Mac OS X

The Unix/Linux command that worked for me on my MacOS system is this:

$ du -a * | sort -r -n | head -10

du is the disk usage command, and the -a flag says, “Display an entry for each file in a file hierarchy.” Then I use the sort command to sort the du output numerically and in reverse. After that, head -10 shows only the first ten lines of output. In the Music folder on my Mac the command and output look like this:

How to copy files on Mac OS X

Mac "file copy" FAQ: How do I copy files on my Mac?

When people move from Windows to Mac OS X, a common question is "How do I copy files on my Mac?" I hope this short Mac file copying tutorial will help answer that question.

Linux find: How to search multiple directories with find

Problem: You need to use the Unix/Linux find command to search multiple folders. Specifically, you'd like to search several folders beneath your current location, but not all folders.

For example, your current directory may have 20 subdirectories, and you don't want to search them all like this:

find . -name "*.java"

or this: