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Manage ZFS filesystems. More information: <https://manned.org/zfs>.

Compress or decompress executables. More information: <https://upx.github.io>.

Enable and disable wireless devices. More information: <https://manned.org/rfkill>.

MIT Scheme language interpreter and REPL (interactive shell). More information: <https://www.gnu.org/software/mit-scheme>.

Java stack trace tool. More information: <https://manned.org/jstack>.

Restricted Bash shell, equivalent to bash --restricted. Does not permit changing the working directory, redirecting command output, or modifying environment variables, among other things. See also histexpand for history expansion. More information: <https://www.gnu.org/software/bash/manual/html_node/The-Restricted-Shell>.

A minimalistic terminal program, used to access remote devices via a serial, CAN or telnet connection from the console. More information: <https://manned.org/microcom>.

Shell builtin for retrieving data from stdin. More information: <https://manned.org/read.1p>.