What does the “echo” command do?
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Explain command to show the space allocation of files?
What is the size of time_t?
distinguish between interrupts and exceptions?
Which command is used to kill the last background job?
What are filter commands in unix?
How does one process we can start an executable file? How to get the PID process, which we started?
What is ‘ps’ command for?
what is the use of "fg" command ?
what is telnet?
Explain command to display different lines that are found when compare two files?
How do I use nslookup?
What are grep patterns?