Answer Posted / sowmya

For matching the characters in the file

Write a command to display a file’s contents in various formats?

1216

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What is the command to view process running?

1116

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What is grep short for?

1051

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What is s and g in sed command?

1120

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What does this command do? Cat food 1 > kitty

1594

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Which command is used to delete all files in the current directory and all its sub-directories?

1267

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What is {} in find command?

1117

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What is the difference between awk and grep?

1268

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Who command in unix operating system?

1144

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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 # include 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:

2273

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What is the search command in unix?

1094

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What is the use of cut command in unix?

1379

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What is ‘ps’ command for?

1191

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What is unix command line?

1267

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Is there any method to erase all files in the current directory, along with its all sub-directories, by using only one command?

1235

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