Command manuals for system

AS - the portable GNU assembler.

BusyBox - The Swiss Army Knife of Embedded Linux

cron - daemon to execute scheduled commands (Vixie Cron)

crontab - maintain crontab files for individual users (Vixie Cron)

date - print or set the system date and time

df - report file system space usage

dmesg - print or control the kernel ring buffer

efivar - Tool to manipulate UEFI variables

env - run a program in a modified environment

expr - evaluate expressions

free - Display amount of free and used memory in the system

fuse - Filesystem in Userspace (FUSE) device

id - print real and effective user and group IDs

ifup - bring a network interface up

install - copy files and set attributes

iotop - simple top-like I/O monitor

journalctl - Print log entries from the systemd journal

kill - send a signal to a process

killall - kill processes by name

ld - The GNU linker

lscpu - display information about the CPU architecture

make - GNU Make utility to maintain groups of programs

man - an interface to the system reference manuals

mandb - create or update the manual page index caches

nice - run a program with modified scheduling priority

nohup - run a command immune to hangups, with output to a non-tty

pinky - lightweight finger

pgrep, pkill, pidwait - look up, signal, or wait for processes based on name and other attributes

readlink - print resolved symbolic links or canonical file names

poweroff, reboot, halt - Power off, reboot, or halt the machine

seq - print a sequence of numbers

service - run a System V init script

shred - overwrite a file to hide its contents, and optionally delete it

shuf - generate random permutations

shutdown - Halt, power off or reboot the machine

split - split a file into pieces

startx - initialize an X session

sysctl - configure kernel parameters at runtime

systemctl - Control the systemd system and service manager

systemd, init - systemd system and service manager

tasksel - a user interface for installing tasks

test - check file types and compare values

timeout - run a command with a time limit

top - display Linux processes

uname - print system information

uptime - Tell how long the system has been running.

vmstat - Report virtual memory statistics

xinit - X Window System initializer

Xorg - X11R7 X server