Answer Posted / km

:! cmd execute a single command (cmd) and return to vi

What does pipe () return?

1069

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What is merge command in unix?

1502

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

1192

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What's a command word?

1169

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What is command substitution?

1357

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What does grep v do?

1050

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What is sed awk grep?

1129

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What do chmod, chown, chgrp commands do?

1282

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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:

2265

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What does the metacharacter mean?

1130

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What does find command return in unix?

1145

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How do I use grep to search for a file?

1051

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How do you grep a case insensitive?

1044

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What command is used to check the current users?

1123

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Which unix command to make a new directory?

1138

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