What do the parentheses and number after a Unix command or C function mean?
Problem
I keep seeing parentheses and a number after a command in Unix or Linux or C function. For example: man(8), ftok(2), mount(8), etc. What do these mean? I see them in man too.
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1 Fix
Fix for: What do the parentheses and number after a Unix command or C function mean?
Manpage sections. Common UNIX command that can be used by all users. e.g. Unix and C system calls e.g. C library routines for C programs e.g. Special files e.g. System file formats e.g. Games e.g. Miscellaneous e.g. System administration commands that is run by root only e.g. (?Linux specific) e.g. The reason behind sections is that there are things sharing manual pages - is the command used to create a directory whereas is a system call that can be used to create a directory in a C program. Th…
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