Who command in unix operating system?
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Can you explain a little bit about command substitution?
Which command is used to copy files?
What is the use of the tee command?
What is the use of tee command?
How do I open a port?
What does mkdir up2date; touch outdated up2date do?
Name the unix command to find how many days the server has been up.
What is nr in awk command?
how to sort the content of the file based on numeric values
what is the cmd to display the last exit status in UNIX?
in unix echo is used for
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How does shebang work?