What is the first line in a shell script?
how to get part of string variable with echo command only?
What are the default permissions of a file when it is created?
What is a shell environment?
What is a scripting language simple definition?
How do I open the shell prompt?
What is the use of "$?" Sign in shell script?
Is shell and terminal the same?
whta is the use of "exec" command?
c program to check whether all the directories in the path exists has read and write permission
What are zombie processes?
What is gui scripting?
what is "umask"?