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umask and piping

 
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hello !!! i have some questions i gave some answers but i dont know the answers .Lets start
1)With umask you  "delete" the rights of a new archive or file.My answer was it true .
The second exercise is with intubation. I have the commands-filters Α,Β,C,D.This commands are using the real entrance of (stdin) and echo the result (stdout).These commands doesnt accept any appointed
2)cat file2.txt > A | B  My answer if is true or false .I answer false
3)A 2<file1.txt My answer was false
4)B 2>file3.txt | A >file1.txt 2>file2.txt   my answer  false
5)A<file1.txt ; B < file2.txt  my answer false
6)cat file1.txt 2> file2.txt | A My answer true
7)A <file2.txt | while read x <file1.txt;do echo "x is $x";done My answer false
8)A| B | C <file3.txt my answer true

 
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What is intubation in this context?  Besides medical TV shows, that word has never being in discussion with me.

Henry
 
ekte spiriopoulos
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Henry Wong wrote:
What is intubation in this context?  Besides medical TV shows, that word has never being in discussion with me.

Henry

this "<" or this ">" .Sorry google translation :p
 
Henry Wong
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ekte spiriopoulos wrote:Sorry google translation :p



Unfortunately, the whole paragraph ...

ekte spiriopoulos wrote:
The second exercise is with intubation. I have the commands-filters Α,Β,C,D.This commands are using the real entrance of (stdin) and echo the result (stdout).These commands doesnt accept any appointed



doesn't make much sense. I am not sure what you are asking. Sorry.

Henry
 
ekte spiriopoulos
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Henry Wong wrote:

ekte spiriopoulos wrote:Sorry google translation :p



Unfortunately, the whole paragraph ...

ekte spiriopoulos wrote:
The second exercise is with intubation. I have the commands-filters Α,Β,C,D.This commands are using the real entrance of (stdin) and echo the result (stdout).These commands doesnt accept any appointed



doesn't make much sense. I am not sure what you are asking. Sorry.

Henry

intubation = i refer to this < or this > .A,B,C,D are commands.The A,B,C,D are use the real pass of the studentin and echo the result of the studentout.The A,B,C,D doesnt accept -a ,etc ..
 
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The proper word may be "piping".
 
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