Finally finished spf0 as well as upf1.
Over break usr0 was assigned. It is a game of sorts based on knowing the proper octal values of file permissions. I need to do 196 but am only allowed 12 at a time with 2 hours in between.
'x' is worth 1 (executable)
'w' is worth 2 (write)
'r' is worth 4 (read)
There is a value that comes before the user, group and other fields. This single value gets its number from SetUID, SetGID, and Sticky Bit.
An 's' in the 'x' field of the user section ('S' if there is no 'x' under it)
An 's' in the 'x' field of the group section ('S' if there is no 'x' under it)
A 't' in the 'x' field of the other section ('T' if there is no 'x' under it)