perators
Here's a quick list of test operators. It's by no means comprehensive, but its likely to be all you'll need to remember (if you... regular file.
-g file
True if file exists and its set-group-id bit is set.
-h file
True if file... symbolic link.
-k file
True if file exists and its "sticky" bit is set.
-p file
True if file exi... to a terminal.
-u file
True if file exists and its set-user-id bit is set.
-w file
True if file
passwords is to read the text without displaying it on the screen. The UNIX Bourne shell does not hav...
To restore the echoing, use stty echo. However, it is poor programming to make the assumption that e
