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Every new command is wrapped in a tweet and posted to Twitter. Following the stream is a great way of staying abreast of the latest commands. For the more discerning, there are Twitter accounts for commands that get a minimum of 3 and 10 votes - that way only the great commands get tweeted.
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Sometime you need to monitor file or direcory change in dimension or other attributes. This command output file (called myfile in the example) attributes in the top of the screen, updating each 1 second.
You should change update time, command ( e.g., ls -all ) or target ( myfile, mydir, etc...).
Watch file's contents that is getting overwritten
top accecpts a comma separated list of PIDs.
Like command 10870, but no need for sed
may return several pids for process foobar footy01 etc. like this:
sed puts "-p " in front and we pass a list to top:
top -p 11427 -p 12576 -p 12577