May 2024
Intermediate to advanced
536 pages
17h 10m
English
Content preview from Compilers: Principles and Practice by Pearson
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Run-Time Environment 223
MANPATH a list of paths where manual pages can be found
PS1, PS2 the primary and secondary prompt strings
TERM the type of the Terminal in use
LD_LIBRARY_PATH a list of paths at which various shared libraries can be found
USER account name of the current user
UID identification number of the current user
As you can see, a variety of information is kept in the environment variables.
7.5 Invocation Command-line Parameters
When a command issued to the system shell invokes a program, including a user’s program, a number
of parameters can be passed to that program from the command-line. These command-line parameters
or command-line ...
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