Answer Posted / bhaskar

using touch comamnd


touch filename

Who wrote grep?

568

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What does sed command do in unix?

549

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How do you grep recursively?

545

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Describe the usage and functionality of the command rm –r * in unix?

809

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how to sort the content of the file based on numeric values

1234

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Who command in unix?

558

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What is the command to find hidden files in the current directory?

570

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Write a command that will allow a unix system to shut down in 15 minutes, after which it will perform a reboot.

608

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

650

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Describe the zip/unzip command using gzip.

594

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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:

1745

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What is .sh file?

605

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What are awk commands?

568

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Can you enlist some commonly used network commands?

591

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Is command prompt unix?

565

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