
當見到《神探》的神探陳桂彬說他可以見到人們心中的鬼,我即時有這個疑問:甚麼是鬼?
跟據字面的直接解法,我們常說人心中有鬼,似乎想說「鬼」等於是「人的陰暗面」或「心魔」。這符合結尾陳桂彬的自說自話和何家安
There are actually two memory layouts for 32-bit x86 Linux programs; theold and the new one. First, the simple version of the common bits:
Apart from having job control, the difference between a job controlshell and a non job control shell is that job control shells puteach command into a difference process group . They do this even forcommands running in the foreground, because you may later want to ^Z thecommand and push it into the background, and process groups are the coremechanism of doing job control.
(Process groups do two things in job control. First, they let the shellreliably send stop or start signals to all of the processes
Once upon a time I needed to NFS export filesystems to a lot ofworkstations, in a situation where I was worried about size limitsin /etc/exports (and we didn't use YP/NIS, so we couldn't just puteverything in netgroups). In situations like this, one thing to dois to shrink hostnames down as much as possible, and that's what wedid.
(This was back in an era where the existence of such limits were at leastplausible.)
As a side note to looking up hostnames from IP addresses for people who use /etc/hosts , note that /etc/hosts lookups work badly in the presence of hosts with multipleIP address, since most gethostbyname() implementations will onlyreturn the first IP address that they find in /etc/hosts . These daysyou really want a minimal /etc/hosts and a reliable DNS server, unlessyou have special concerns .
(The gethostbyname() behavior is sensible, since otherwise it wouldalways have to

當見到《神探》的神探陳桂彬說他可以見到人們心中的鬼,我即時有這個疑問:甚麼是鬼?
跟據字面的直接解法,我們常說人心中有鬼,似乎想說「鬼」等於是「人的陰暗面」或「心魔」。這符合結尾陳桂彬的自說自話和何家安