Answer Posted / william

fg [job_spec]
eg. fg emacs

What is command substitution?

1266

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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.

1140

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What are the commands in UNIX to list the files in a Directory?

1107

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Explain command to show the space allocation of files?

1068

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How do I clear my terminal history?

1090

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What is grep short for?

998

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What is {} in find command?

1050

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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:

2202

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What is the difference between cat command and more command?

1126

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What does grep v grep do?

1023

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Which unix command to make a new directory?

1066

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What is used to type command?

1008

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How do I run a whois command?

1099

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What is the significance of the 'tee' command?

1136

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What is ctrl d?

1043

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