1
QNX RTP 6.3
:
QNX RTP 6.3
() QNX RTP 6.3 . ( ).
1.
ճ . ϳ ' Photon.
, Photon, Windows:
, , Windows
Launch. ϳ ົ , .
, , , .
Editor, .
䳺 . WordPad, Windows.
File Manager, . Windows .
Terminal. 䳺 , . , .
2. QNX RTP 6.3
. . ; ( .out).
.
( ) ' , . ' /home/srb/mbox /, , home. /home srb, mbox. : / /home /home/srb , /, () . , , 14 . / , , .
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' , ' .
. rhm /home/rhm.
() .
Pwd - ' . ³ .
cd ( ). . ,
d /home/srb/unix
/home/srb/unix, /home/srb/unix/ch1, , , ' h1
:
cd -
cd /home - home
cd /home/rva - rva
cat () - . . , , .
cat . ,
cat /etc/motd /etc/motd.
().
from to
from () t (), , '.
Ct file
file /dev/tty
, /dev/tty - ' ,
t . .
rm ' . ,
rm junk junk .
mv ( ) . ,
Mv oldname newname
oldname ( ') newname ( '). ' , .
' newname , mv . , , ( ), . rm mv , .
, . . :
mkdir .
rmdir .
mv .
/home/mdm,
mkdir tmg /home/mdm/tmg,
rmdir tmg . rmdir , .
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. ..
' . , ' .. - .
/home/mdm/tmg - , d.. /usr/mdm.
mv .
mv ; ...
; ...
䳿, . , - , .
, , mv . ,
Mv d
Mv d
Mv z d
, z d/, d/ d/z , d - . d, d, . , z d.
, . ' , . , , . ,
Ls -l
. -l ( long - ) , ls , . .
, , . 䳿 . , . &, .
print file &
print file (' ) . ˳ & , , print . , , . s.
0, 1.... -. 0 , 1 - . , ( ) ' . , . (), :
ls -l >
> ls . , . ls. >>, :
ls -l >>
, :
wc <
wc , .
' - . :
ls -l | wc
, , , :
ls -l >
wc <
, . ' , . . wc, , ls . , .
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Գ - , , . , grep, , .
ls | grep old
ls , old ( ). sort.
who | sort
, . .
ls | grep old | wc -l
, old.
. ,
ls -l main.c main..
. ,
ls -l *. , , .. ˳ * , - , . :
* dz - , .
? dz - .
[...] dz - , . , , .
,
[ - r]* , r,
/home/fred/epns/?* /home/fred/epns/, . , , .
, -, , , , -, . ³ .
echo /home/fred/*/
/home/fred/. ( h - , , .)
. . .
h *
, ,
h.*
, . . .., . ( ls . ...)
rm . , .
2.4.
chmod. . ,
chmod 751 run run
Rwxr-x--x
, , - .
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chmod , . :
u - r ³ .
g + w .
= .
run ,
chmod +x run
run - . .
2.5.
- cc.
cc average. average. .out.
Cc - average average
average. average. , average. main.,
cc -o average main. average.
main. average. , . ³ ' main. average.,
Cc - main. average.
average ,
