Simple Unixy mistakes that will ruin your day

[Arwen]

Another thing is re-direction. Some people mis-type the output file and wonder why their root file system is full;

Code:

# MiscCommand >/dev/nul

Note that it really "/dev/null" with 2 el's.

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Next is the dreaded mis-identification of devices. With Pinebook Pro, their are 2 MMC devices, the internal eMMC and the Micro SD card. In most Linux kernels they show up with the same prefix, but different unit numbers, That's because they use the same driver, "mmcblk". However, getting the unit number wrong for writing could lead to over-writing your working OS.