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ionice

Get or set program I/O scheduling class and priority. Scheduling classes: 1 (realtime), 2 (best-effort), 3 (idle). Priority levels: 0 (the highest) - 7 (the lowest). More information: <https://manned.org/ionice>.

pdfgrep

Search text in PDF files. More information: <https://pdfgrep.org>.

groups

Print group memberships for a user. See also: groupadd, groupdel, groupmod. More information: <https://www.gnu.org/software/coreutils/groups>.

sshpass

An ssh password provider. It works by creating a TTY, feeding the password into it, and then redirecting stdin to the ssh session. More information: <https://manned.org/sshpass>.

systemctl

Control the systemd system and service manager. More information: <https://www.freedesktop.org/software/systemd/man/systemctl.html>.

vim

Vim (Vi IMproved), a command-line text editor, provides several modes for different kinds of text manipulation. Pressing i in normal mode enters insert mode. Pressing <Esc> goes back to normal mode, which enables the use of Vim commands. See also: vimdiff, vimtutor, nvim. More information: <https://www.vim.org>.

mdp

A command-line based tool to make presentations from Markdown files. More information: <https://github.com/visit1985/mdp>.