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Write comments to your history.
A null operation with the name 'comment', allowing comments to be written to HISTFILE. Prepending '#' to a command will *not* write the command to the history file, although it will be available for the current session, thus '#' is not useful for keeping track of comments past the current session.

shell bash iterate number range with for loop

easily find megabyte eating files or directories

Which processes are listening on a specific port (e.g. port 80)
swap out "80" for your port of interest. Can use port number or named ports e.g. "http"

Find unused IPs on a given subnet
Somewhat shorter version.

Convert CSV to JSON
Replace 'csv_file.csv' with your filename.

Detect illegal access to kernel space, potentially useful for Meltdown detection
Based on capsule8 agent examples, not rigorously tested

Use color grep by default
Alias the grep command to show colored results by default.

Query cheat.sh from the termianl. A quick access cheat sheet for a range of linux commands!

Get HTTP status code with curl AND print response on new line


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