Man Pages in sysvinit-utils

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Section 1: Executable programs or shell commands

last.1

Show listing of last logged in users

lastb.1

Show listing of last logged in users

mesg.1

Control write access to your terminal
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Section 5: File formats and conventions

init-d-script.5

Interpreter for short and simple init.d scripts.
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Section 8: System administration commands

fstab-decode.8

Run a command with fstab-encoded arguments

killall5.8

Send a signal to all processes.

pidof.8

Find the process id of a running program.

service.8

Run a system v init script

sulogin.8

Single-user login