No subject

[Kissandrakis S. Gewrgios]

0123456789
drwxrwxrwx

h triada 123 einai gia ton owner tou arxeiou
h triada 456 einai gia to group tou arxeiou
h triada 789 einai gia olous tous ypoloipous

r=read (shmainei oti to arxeio mporei na diabastei)
w=write (shmainei oti mporoume na graspoume sto arxeio )
x=execute (shmainei oti mporoume na "trexoume" h "ektelesoume" to arxeio)

merika padadeigmata
                                        
drwxr-xr--    kissand   staff                  arxeio

h prwth triada exei rwx shmainei oti mporei na diabastei na grapsi kai na to
ektelesei o owner pou einai o kissand
h deuteri triada einia r-x shmainei oti oi xrhstes pou anhkoun sto group
staff mporoun na to diabasou kai na to ektelesoun. sthn 0esh tou w exei - opote
den mporoun na rgaspoun se auto (to group)
h triti triada exei r-- pou shmainei oti oi ypolopoi mporoun mono na to 
diabasoun

gia allages

chmod XYZ arxeio 
opou XYZ tripsifio noumero 
X gia ton owner
Y gia to group
Z gia tou ypoloipous

h axies einai
gia read=r=4
gia write=w=2
gia execute=x=1

an kanoume chmod 751 arxeio ennoume:
7 gia ton owner pou shmainei 4(read)+2(write)+1(execute)=7
5 gia to group pou shmainei 4(read)+1(execute)=5
1 gia tous ypoloipous pou shmainei 1(execute)=1

elpizw an egina katanohtos :)

Kissandrakis Giorgos
kissand at edu.uch.gr
.

--
====================================================================
Gia boithia (h na diagrafhte) e-mail sto majordomo at hellug.gr
Ta archives tis listas einai sto http://lists.hellug.gr/archives
prin steilete kapoia erothsh psakte mipos exei hdh apanththei.
Gia opoiodipote problima stilte e-mail ston owner-linux-greek-users at hellug.gr
====================================================================