Manual page and help for the b2sum Linux command. The b2sum command calculates and checks the BLAKE2 checksums of the specified file. If no file is specified, the program reads from standard input.

The manual page and help for the avahi-daemon Linux command. The avahi-daemon command is the Avahi mDNS / DNS-SD daemon manager.

Manual page and help for the sshd Linux command. Sshd (OpenSSH Daemon) is a program for the ssh daemon. Together, these programs replace rlogin and rsh and provide secure, encrypted communication between two untrusted hosts over an insecure network. Sshd monitors client connections. By default, it starts from the /etc/init.d/ssh file at boot time. Creates a new daemon for each incoming connection. Daemons handle the exchange of authentication keys, encryption, authentication, command execution, and data exchange.

Manual page and help for the ssh-keyscan Linux command. Ssh-keyscan is a utility that collects the public SSH keys of many servers. It is designed to help you build and validate ssh_known_hosts files, the format of which is documented in sshd (8). Ssh-keyscan provides a minimal interface for shell and perl scripts.

The manual page and help for the smbd Linux command. Smbd is a server daemon (also known as a service) that provides file and printer sharing services to Windows clients. The server provides file space and printing services to clients that use the SMB (or CIFS) protocol. Smbd is compatible with the LanManager protocol and can serve LanManager clients. These include MSCLIENT 3.0 for DOS, Windows for Workgroups, Windows 95/98 / ME, Windows NT, Windows 2000, OS / 2, DAVE for Macintosh, and smbfs for Linux.

The manual page and help for the testparm Linux command. Testparm is a simple test program to check the internal correctness of the smbd (8) configuration file. If this program does not indicate an error, feel free to use the configuration file, smbd will load it successfully.

Manual page and help for the jk_chrootlaunch Linux command. The jk_chrootlaunch command is a startup program that can launch a daemon in a jail with the specified UID and GID.

Manual page and help for the dconf Linux command. The dconf command is a tool for managing the dconf database.

The manual page and help for the quota Linux command. The quota command displays users' disk usage and limits (quota).

The manual page and help for the od Linux command. The od command files dump in octal and other formats.