print or control the kernel ring buffer NAME dmesg - print or control the kernel ring buffer SYNOPSIS dmesg [options] dmesg --clear dmesg --read-clear [options] dmesg --console-lev…systemd system and service manager NAME systemd, init - systemd system and service manager SYNOPSIS /usr/lib/systemd/systemd [OPTIONS...] init [OPTIONS...] {COMMAND} DESCRIPTION sy…Execute a program with an inhibition lock taken NAME systemd-inhibit - Execute a program with an inhibition lock taken SYNOPSIS systemd-inhibit [OPTIONS...] [COMMAND] [ARGUMENTS...…Control the system locale and keyboard layout settings NAME localectl - Control the system locale and keyboard layout settings SYNOPSIS localectl [OPTIONS...] {COMMAND} DESCRIPTION…Control the system time and date NAME timedatectl - Control the system time and date SYNOPSIS timedatectl [OPTIONS...] {COMMAND} DESCRIPTION timedatectl may be used to query and ch…Control the systemd login manager NAME loginctl - Control the systemd login manager SYNOPSIS loginctl [OPTIONS...] {COMMAND} [NAME...] DESCRIPTION loginctl may be used to introspec…Analyze and debug system manager NAME systemd-analyze - Analyze and debug system manager SYNOPSIS systemd-analyze [OPTIONS...] [time] systemd-analyze [OPTIONS...] blame systemd-ana…Print log entries from the systemd journal NAME journalctl - Print log entries from the systemd journal SYNOPSIS journalctl [OPTIONS...] [MATCHES...] DESCRIPTION journalctl is used…run program in different namespaces NAME nsenter - run program in different namespaces SYNOPSIS nsenter [options] [ program [ arguments ]] DESCRIPTION The nsenter command executes …run program in new namespaces NAME unshare - run program in new namespaces SYNOPSIS unshare [options] [ program [ arguments ]] DESCRIPTION The unshare command creates new namespace…Display amount of free and used memory in the system NAME free - Display amount of free and used memory in the system SYNOPSIS free [ options ] DESCRIPTION free displays the total …Control the systemd system and service manager NAME systemctl - Control the systemd system and service manager SYNOPSIS systemctl [OPTIONS...] COMMAND [UNIT...] DESCRIPTION systemc…display kernel slab cache information in real time NAME slabtop - display kernel slab cache information in real time SYNOPSIS slabtop [ options ] DESCRIPTION slabtop displays detai…show information on IPC facilities NAME ipcs - show information on IPC facilities SYNOPSIS ipcs [options] DESCRIPTION ipcs shows information on System V inter-process communication…look up, signal, or wait for processes based on name and other attributes NAME pgrep, pkill, pidwait - look up, signal, or wait for processes based on name and other attributes SYN…look up, signal, or wait for processes based on name and other attributes NAME pgrep, pkill, pidwait - look up, signal, or wait for processes based on name and other attributes SYN…look up, signal, or wait for processes based on name and other attributes NAME pgrep, pkill, pidwait - look up, signal, or wait for processes based on name and other attributes SYN…graphic representation of system load average NAME tload - graphic representation of system load average SYNOPSIS tload [ options ] [ tty ] DESCRIPTION tload prints a graph of the …report memory map of a process NAME pmap - report memory map of a process SYNOPSIS pmap [ options ] pid [...] DESCRIPTION The pmap command reports the memory map of a process or pr…Generate core files for running processes NAME gcore - Generate core files for running processes SYNOPSIS gcore [-a] [-o filename ] pid[s] DESCRIPTION gcore generates a core file f…