Answer Posted / pramod krishna

jobs is the command and not job.It lists the current
processes(both baground and foreground processes) and
assigns them a job number.

What are the general commands in using unix os for a beginner?

1221

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What is time_t?

1163

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Explain the steps that a shell follows while processing a command.

1288

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Explain the terms ‘system calls’ and ‘library functions’ with respect to unix commands?

1270

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Explain how to use grep command to list find the records of a file containing 10 different strings?

1127

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Does cp command overwrite files?

1271

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Is it inbetween or in between?

1110

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Is grep faster than awk?

1085

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What is the comma to show the space allocation of files?

1137

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What command is used to check the current users?

1178

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What does the command '$ls | wc –l > file1' do?

1302

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What is used to type command?

1109

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Is command prompt unix?

1225

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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:

2321

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How do I find previous commands in unix?

1253

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