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Find The Size Of Files And Directories In Linux With The du Command

29th June 2012 - 8 minutes read time

The du (or 'disk usage') command is a Linux command that can print a list of the files within a directory including their sizes and even summarize this information. It is useful if you want to see how large a group of files is and provides more information about directories than the ls command does.

Using du within a directory will show you the size (in bytes) of all files and directories under that directory, including the size of the current directory. To make du produce more readable results just use the -h flag to make the file sizes into a human readable format. You can also use the -c flag to produce a grand total of all of the sizes found, and the -s flag to display only a total. The -a flag can be used to display all files as well as directories, leave this out to just display directories.

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Find The Number Of Commits In A Git Repository

25th June 2012 - 2 minutes read time

Use the following command to find out how many commits there have been in a git repository. Not really useful in itself, but an interesting figure to see how active a project has been over it's lifetime.

git log --oneline --all | wc -l

The following git log flags are in use here:

--oneline - Removes some of the information from the log entries and displays each on a single line.

--all - Shows all commits across all branches.

The -l (lower case L) flag is supplied to the wc command so that it counts the number of lines in the given input.

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