Unix
Which command is used to make all files and sub-directories in the directory (progs) executable by all users?

chmod -1 a+x progs
chmod -x a+x progs
chmod -R a+x progs
chmod -R 222 progs

ANSWER DOWNLOAD EXAMIANS APP

Unix
The % key allows you

to move the cursor to the first column in the current line
to move the cursor to the upperleft corner of the screen
to move the cursor backward to the beginning of a word
to move the cursor to a matching delimiter, when a delimiters a parenthesis, a bracket, or a brace.

ANSWER DOWNLOAD EXAMIANS APP