Commands using ls (517)

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Get just the IP for a hostname
has the benefit of being a bit more cross-platform.

Find number of computers in domain, OU, etc .

List just the executable files (or directories) in current directory
A bit shorter ;)

Change size of lots of image files.
Imagemagick library is used.

sort lines by length

Unix alias for date command that lets you create timestamps in ISO 8601 format
I often need to add a timestamp to a file, but I never seem to remember the exact format string that has to be passed to the date command to get a compact datetime string like 20090220T231410 (i.e yyyymmddThhmmss, the ISO 8601 format popular outside the US)

Rename files in batch

Get your outgoing IP address

Find usb device
I often use it to find recently added ou removed device, or using find in /dev, or anything similar. Just run the command, plug the device, and wait to see him and only him

download a list of urls


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