Write a sed command that copies a file to standard output, replacing a sin- gle SPACE as the first character on a line with a 0 (zero) only if the SPACE is immediately followed by a number (0–9). For example:

If you are opening a document on your smartphone that has content that is not supported in Word Mobile, a warning message will tell you the file can only be opened using Word on a PC.?

Answer the following statement true (T) or false (F)

When a __________ is referenced on an OS/JCL EXEC statement, the operating system replaces the programmer’s EXEC statement with a set of pre-coded JCL.

a. batch file b. cataloged procedure c. program d. The premise of this question is false.