What is command substitution?
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what is the difference between relative path and absolute path?
What does the “echo” command do?
What are awk commands?
Which command is used to delete all files in the current directory and all its sub-directories?
What Is the command to change a file's creation time. means one file is created at the time 15:19 then time should br changed to 14:14
Which command is used to find whether the system is 32 bit or 64 bit?
What is unix command?
what are processor execution levels and priorities?
what is telnet?
how will you login one server's shell prompt to an another server?
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What is the command to compare two files in unix?
What does the md command do?