xenial 16.04 LTS | bionic 18.04 LTS | focal 20.04 LTS | groovy 20.10 | hirsute 21.04 | Section Description |
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df(1), df(1) | df(1), df(1) | df(1), df(1) | df(1), df(1) | df(1), df(1) | (1) - Executable programs or shell commands | . | . | . | . | . | (2) - System calls (functions provided by the kernel) | . | . | . | . | . | (3) - Library calls (functions within program libraries) | . | . | . | . | . | (4) - Special files (usually found in /dev) | . | . | . | . | . | (5) - File formats and conventions eg /etc/passwd | . | . | . | . | . | (6) - Games | . | . | . | . | . | (7) - Miscellaneous (including macro packages and conventions) | . | . | . | . | . | (8) - System administration commands (usually only for root) |
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