Did You Know? man is the Linux’s manual pager. Each page argument given to man is normally the name of a program, utility or function. The manual page associated with each of these arguments is then found and displayed. A section, if provided, will direct man to look only in that section of the manual. The default action is to search in all of the available sections, following a pre-defined order and to show only the first page found, even if page exists in several sections.
Watch is utility which helps you to WATCH for changes. For example if we want to watch content of directory for new files we can do:
$ watch ls ~/
By default watch update screen every 2 seconds. To change this interval we can use -n option. If we want to watch to refresh screen every 0.5 second we do:
Did You Know? man is the Linux’s manual pager. Each page argument given to man is normally the name of a program, utility or function. The manual page associated with each of these arguments is then found and displayed. A section, if provided, will direct man to look only in that section of the manual. The default action is to search in all of the available sections, following a pre-defined order and to show only the first page found, even if page exists in several sections.
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