دو تا کامند که خیلی دیدم
which lpr?
whereis lpr?
اولی هدایت میکنه به اینجا: lpr: /usr/ucb/lpr /usr/man/man1/lpr.1
In this example, the query asked about the
lpr command,
which spools jobs to printers. The operating system returned two
answers, and thus two paths. The first path is the location of the
lpr executable, and the second path is the location of
the lpr manual page./var/bsd/lpr
This means that when you enter
lpr at the command line,
the system is really executing /var/bsd/lpr.
حالا مشکلم اینه که اینارو که میزنم هیچ جوابی نمیگیرم و نمیدونم این یعنی اینکه من این فایل رو ندارم یا معنی دیگه ای میده؟
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