Notes concerning “Unix”

• Git data 2007 to 2009 (5 minutes)
• User-per-group (UPG), umask, and “Permission denied” on shared Git repos via ssh 2007 to 2009 (4 minutes)
• Writing math in Unicode with the Compose key 2007 to 2009 (2 minutes)
• Handling Landsat 8 images in limited RAM with netpbm 2014-04-24 (4 minutes)
• What would a better Unix shell look like? 2018-11-27 (1 minute)
• Raid zim 2019-01-17 (updated 2019-02-08) (1 minute)
• Text relational query 2019-08-28 (10 minutes)