Answer Posted / subbareddy kake

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What is command substitution?

627

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What is time_t?

591

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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:

1768

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

689

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What is the use of the command 'ls -x chapter[1-5]' ?

665

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What is ctrl d?

598

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What do know about tee command and its usage?

591

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Why is grep called grep?

784

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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?

595

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What does #!/ Bin sh do?

599

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what is the advaantage of each user having its own copy of the shell?

2041

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Enlist some filename manipulation commands in unix.

556

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Is ‘du’ a command? If so, what is its use?

639

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What is the use of sed command in unix?

604

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What is the search command in unix?

609

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