Answer Posted / vinayak

for os
cat /etc/redhat-release
or cat /etc/issue
for kernel version
uname -r
or uname -a

What is iptables command in linux?

1048

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How do you kill a process in linux?

1096

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What will happen when a system call is encountered in a user program?

2026

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What does cd – command do?

1001

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What commands are used to see all jobs running in the hadoop cluster and kill a job in linux?

948

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Is a command a full sentence?

1038

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How to recover /etc/passwd file and /etc/shadow file?

973

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What is the use of finger command in linux?

995

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Why makefile is used in linux?

1071

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Explain grep command.

1002

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you wish to create a link to the /data directory in bob's home directory so you issue the command ln /data /home/bob/datalink but the command fails. What options hould you use in this command line to be successful.

968

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In order to display the last five commands you have entered using the fc command, you would type?

917

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Find command can search for files by

940

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What is tail command in linux?

1026

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What is difference between free and available memory in linux?

978

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