Hello Bastien, Thanks. This looks better. But still some things to improve, I think.
On 1/30/21 12:29 AM, roucaries.bast...@gmail.com wrote: > From: Bastien Roucariès <ro...@debian.org> > > Document the purpose of the envirment mechanism, compared to the s/envirment/environment/ > command line argument of a program. Document particularly that > the environment is shared by many programs and is inherited. > > Define also the so called process environment and "the environment" s/so called/so-called/ > concept that are used in other manpages. s/manpages/manual pages/ > > Signed-off-by: Bastien Roucariès <ro...@debian.org> > --- > man7/environ.7 | 26 ++++++++++++++++++++++++++ > 1 file changed, 26 insertions(+) > > diff --git a/man7/environ.7 b/man7/environ.7 > index 3c2769bfb..d1e86ee8d 100644 > --- a/man7/environ.7 > +++ b/man7/environ.7 > @@ -43,6 +43,32 @@ The variable > .I environ > points to an array of pointers to strings called the "environment". > The last pointer in this array has the value NULL. > +.PP > +At time of execution, a program receive context information by two > mechanisms. > +The first way is the program arguments, represented by the arguments of > +.I main > +function, > +.I argc > +and > +.I argv > +variables. The second way, is the > +.I environ > +variable as discuted in this manual. Oui en français c'est discuter; mais en anglais: to discuss > +.PP > +The program arguments are typically used to pass so-called command-line > argument specific to Source lines should be no more than 75 columns or so. s/so-called command-line argument/values that are/ > +a particular use of the program being invoked, thus changing the program > behavior to an use case. s/, thus changing the program behavior to an use case// (This test does not really add to the explanation.) > +The environment, on the other hand, keeps track of information that is > shared by many programs and > +rarely changes. > +For example, a running process can query the value of the > +.B TMPDIR > +environment variable to discover a suitable location to store temporary > files. > +.PP > +Standard environment variables are used for information about the user’s > home directory, > +current language,... s/.../ and so on./ > +An user can define additional variables for other purposes. s/An/A/ (Because the "u" is iotized -- "a 'yooser'") [1] > +The set of all environment variables that have values is collectively known > as > +the process environment or simply the environment. > +.PP > This array of strings is made available to the process by the > .BR execve (2) > call when a new program is started. Thanks, Michael [1] https://www.quickanddirtytips.com/education/grammar/a-versus-an -- Michael Kerrisk Linux man-pages maintainer; http://www.kernel.org/doc/man-pages/ Linux/UNIX System Programming Training: http://man7.org/training/
