What is grep in bash?
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write grep commands to select the lines that have exactly two characters
What is {} in find command?
How to delete a directory containing files and folders?
How to copy multiple files and directories into some other directory?
How do you execute a UNIX command in the background?
What is rmdir command?
Name the general commands in using unix os for a beginner?
How is the command '$cat file2 ' different from '$cat >file2 and >> redirection operators ?
Explain ‘library functions’ with respect to unix commands?
What is command substitution?
Briefly, how do you install Oracle software on UNIX.
How many unix commands are there?