Latest Answer: Program in execution is called ProcessThread is a flow of control in a program ...
Latest Answer: Mutex is a mechanism which is useful in coordinating mutually exclusive access to a shared resource. For example, to prevent two threads from writing to shared memory at the same time, each thread waits for ownership of a mutex object before executing ...
Latest Answer: ashellbshellbash (born again shell)cshellkshellzshell ...
Latest Answer: $# returns the number of parameters that are passed to a shell script$? returns the exit code of the last executed command (0 : Successful, 1 or other: Failed) ...
Latest Answer: It contains the actual arguments passed to a shell script ...
If you have a string "one two three", Which shell command would you use to extract the strings?
Latest Answer: global variable is created using export command in ksh - export x='name' In csh its created using setenv command-setenv x 'name'this 'x' variable will be visible in current shell as well as in child shell also.local variable ...
Latest Answer: Both of these work.cat test.sh | grep ^$grep -v . test.sh ...
Latest Answer: 1st step$ cat > cmdfile// 0 4 ...
Latest Answer: The best way is to open a read only file. use SUDO, because you do not know what or who is the owner of the file in this scenario. ...
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