What is $0 bash?

0 Answers  

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Hi All, Can you please let me know how to grep for a particular pattern in unix. I want to print the dates from the file exp.txt. the date pattern is DD:MM:YYYY, I just want to print all the dates from the file exp.txt.

8 Answers   Concentrix, IBM, Symantec, TCS,

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What is the command to compare two files in unix?

0 Answers  

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distinguish between user mode and kernel mode?

4 Answers   Infosys,

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what will this do $cat > file.c ?(file.c is a file in current directory)

20 Answers   IBM,

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How to check whether some services are running in another server or not? Suppose i am currently in a server named A.I want to check whether some services are running in server B without logging into the server B.

3 Answers   Amazon, MBA, Syntel, TCS, Unisys,

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Write a command that will display files in the current directory, in a colored, long format.

0 Answers  

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How do you find files in Unix?

2 Answers  

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What does #!/ Bin sh do?

0 Answers  

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What command is used to switching between users in unix?

0 Answers  

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When i run a programm of orphan process. Instead of getting child's parent (ppid)=1 ..i get 1400 and it varies as per system. How can i findthe right soluion??? My pgm: #include<stdlib.h> # include <stdio.h> int main() { int pid; pid=fork(); if(pid < 0) {exit(-1);} else if(pid==0) { printf("Child Process is Sleeping ..."); sleep(10); printf("Orphan Child's Parent ID : %u ",getppid()); } else { printf("Parent Process Completed ... %u ",getpid()); exit(0); } return 0; } Output:

0 Answers  

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What does mkdir up2date; touch outdated up2date do?

2 Answers  

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