How to get the operating system's information in unix?
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Who command in unix operating system?
What does the “echo” command do?
What is used to type command?
Differentiate cmp command from diff command.
How do I clear my terminal history?
What is the pipe command?
Explain mount and unmount command.
What is rmdir command?
What is the use of egrep command in unix?
What is awk command used for?
What is the size of time_t?
Explain command to show the space allocation of files?
What is nr in awk command?
What are awk commands?
How do I open a port?