Commands using host (41)

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Quicker move to parent directory
Alias two dots to move to parent directory. Put it into your .bashrc or .profile file.

The Chromium OS rootfs is mounted read-only. In developer mode you can disable the rootfs verification, enabling it to be modified.

Find the package that installed a command

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"

Get Futurama quotations from slashdot.org servers

Remove comments in XML file
In Redhat, xmlstarlet is called just xml which can be found in xmlstarlet RPM.

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

all out
How to force a userid to log out of a Linux host, by killing all processes owned by the user, including login shells:

Redefine the cd command's behavior
Often, the very next command after the cd command is 'ls', so why not combine them?. Tested on a Red Hat derivative and Mac OS X Leopard Update: changed ${1:-$HOME} to "${@:-$HOME}" to accomodate directories with spaces in the names

Google URL shortener
Use curl and sed to shorten an URL using goo.gl without any other api


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