Answer Posted / nayakss

Copy of shell or copy of shell variable?

Shell is a process which is invoken when a user logged in.
So For each use a differ process has invoked in turns a
different shell.

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

1218

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What is “chmod” command?

1171

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Why is shebang used?

1124

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What is the general format of unix command syntax?

1939

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How do I clear my terminal history?

1152

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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?

1221

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What is grep and how do you use it?

1108

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Which command should you use to find the remaining disk space in unix server?

1306

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How do I use grep to search for a file?

1052

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How do you grep a case insensitive?

1044

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What do chmod, chown, chgrp commands do?

1286

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How many unix commands are there?

1153

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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 is nr in awk command?

1200

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How do I use grep to find a file?

1110

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