School Commit Init

Anul 1/Semestrul 2/OS/Labs/mockexam1/1.txt

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+grep -E "[01]{3,}00\b" a.txt

Anul 1/Semestrul 2/OS/Labs/mockexam1/10.txt

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+Nothing, the program will wait for another process to open the file in read mode

Anul 1/Semestrul 2/OS/Labs/mockexam1/11.txt

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+The process will appear in the list with all the processes, as a zombie

Anul 1/Semestrul 2/OS/Labs/mockexam1/12.txt

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+int n=0;
+pthread_mutex_t m;
+
+void* f(void* p){
+	phread_mutex_lock(&m);
+	n++:
+	pthread_mutex_unlock(&m);
+	return NULL;
+}

Anul 1/Semestrul 2/OS/Labs/mockexam1/13.txt

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+CBA

Anul 1/Semestrul 2/OS/Labs/mockexam1/2.txt

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+sed -E "s/([13579])([aeiou])/\2\1/g" a.txt

Anul 1/Semestrul 2/OS/Labs/mockexam1/3.txt

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+cat a.txt |sed -E "s/ /\n/g" | sort | uniq

Anul 1/Semestrul 2/OS/Labs/mockexam1/4.sh

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+ps -ef | awk -F" " '{print $1}' | grep -v "UID" | sort | uniq -c 

Anul 1/Semestrul 2/OS/Labs/mockexam1/5.sh

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+#!/bin/bash
+
+a=`find | tail -n+2 | grep -c ".txt"`
+b=`find | tail -n+2 | grep -c ""`
+echo $a / $b

Anul 1/Semestrul 2/OS/Labs/mockexam1/6.txt

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+6

Anul 1/Semestrul 2/OS/Labs/mockexam1/7.txt

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+p->c1->c2->c3

Anul 1/Semestrul 2/OS/Labs/mockexam1/8.txt

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+A,B,C in any order only once

Anul 1/Semestrul 2/OS/Labs/mockexam1/9.txt

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+It will write as much as it can, it will return the number of bits written.

Anul 1/Semestrul 2/OS/Labs/mockexam1/a.txt

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+1-0 22-3 1-0
+2-4 4-2
+5-6

Anul 1/Semestrul 2/OS/Labs/mockexam1/main.c

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+#include <sys/types.h>
+       #include <unistd.h>
+int main(){
+char* s[3]={"A","B","C"};
+for(int i=0;i<3;i++){
+	if(fork()!=0){
+		execl("/bin/echo","/bin/echo",s[i],NULL);
+	}
+}}