Apories (kai pali :))

[Harris Kosmidhs]

Exo ena stand-alone linux. Otan kano login san root pairno kanonika me to
minicom thl, kano  pp kai ta loipa.
Prospa8hsa san xrhsths. Katarxhn den fortone to monicom (minicom -m) dioti
leei permission denied. Opote ekana to /dev/cua1 rw gia olous tous
xrhstes. Einai sosto? Etsi de mporei opoisdhpote xrhsths na mou sbhsei to
/dev.cua1? Pantos etsi mporo kai perno thlefono. Epeita ena allo problhma
einai to e3hs. Otan sunde8hka sto 4net apo minix\com (exontas to fortosei
os root) sunde8hka kanonika. AMESOS meta san xrhsths afou ekane
handshaking den ebgale ta munhmata px username ktl. Oti kai an patousa den
ebgaze tipote ektos apo to Enter opou egrafe ena a. To dokimasa 2-3 fores
kai egibne to idio. Ftaei to minicom mipos?
Kata ta alla enas aplos xrhsths mporei na kanei PPP sundesh?


Problhma 2)
Mporei na mou pei kapoios se ti xrhsimeuoun oi libc kai ti diafora exei me
thn libc.so*? (h kana URL h kana man page mh 3ekolonestai na grefetai..)

Problhma 3) (gia C)

I8ela na kano ena programmataki me thn popen. Auth omos kanei to e3hs :
An thn anoi3eis gia read (popen(file,"r") tote mporeis MONO na diabaseis
px me fgets. An thn anoi3eis me write (popen(file,"w")) tote MONO grafeis
kai to output bgainei sthn stdout. Yparxei kamia kaluterh "ekdosh" ths
popen? Px na stelno kai na diabazo tautoxrona (oxi popen(file"rw") de
mporo na kano :( ). Skefthka to e3hs:
mporo na kaleso th fork kai gia thn nea process pou dhmiourgei na kano
execl(file)? Prospa8isa na toi kano alla de douleue..Einai la8os logikh h
la8os ston kodika?


Thanks a lot, 

#############################
# Kosmidhs Harris           #
# hkosmidi at aix.meng.auth.gr #
#############################

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