What is $0 bash?
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what will this do $cat > file.c ?(file.c is a file in current directory)
what are the differences between CUI and GUI interfaces?
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what does the command 'wc' do?
Give command that will make the file "run.sh" executable?
What are the differences among a system call, a library function, and a unix command?
what is the cmd to display the last exit status in UNIX?
Which command is used to restrict incoming messages?
what are the different commands used to view the contents of a file?
How do you find out all processes that are currently running in UNIX OS?
the difference between a soft link and a hard link?
How does shebang work?
write grep commands to select the lines that have exactly two characters