1. pseudo-device driver
/proc - file system
hello world
/proc/hello
2. counter
/proc/counter -> increment every read
/proc/counter -> can write sum number
ex) # echo 10 > /proc/counter
빡세구나 =_=
1. pseudo-device driver
/proc - file system
hello world
/proc/hello
2. counter
/proc/counter -> increment every read
/proc/counter -> can write sum number
ex) # echo 10 > /proc/counter
빡세구나 =_=
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