-i set ignore to ignore tty interrupt signals. -L spec, --header-search=.. Display a summary of headers of all messages that match the given spec in the file found by the same algorithm used by -H, then exit. See the section Specifying messages for the format of spec. This mode ...
Without -i, an interrupt terminates the shell. For shells which read from the terminal, -i is the default. -K specifies Korn-compatible behavior in any case where that behavior differs from the default shell behavior. -L makes the shell a login shell as described earlier under Options...
sh then displays the value of the variable PS3 to prompt the user to enter a numerical reply. If the reply is an empty line, sh displays the menu again; otherwise, sh assigns the input line to the variable REPLY, sets variable to the word selected, then executes the compound-command. ...
This a “wind tunnel” approach was developed by the eponymous Pierre Wack, a Shell Group planner during the 1960s and 1970s, to test business plans or projects, prompt public debate, and increase coherence [1]. It aims to help managers anticipate and prepare for various futures by working...
We went to the service department and found a mechanic working feverishly to unlock the driver’s side door. As I watched from the passenger side, I instinctively tried the door handle and discovered that it was unlocked. ‘Hey,’ I announced to the technician, ‘its open!’ ...