Show who is logged on and what they are doing. NAME w - Show who is logged on and what they are doing. SYNOPSIS w [ options ] [ user ] DESCRIPTION w displays information about the …Name grotty - groff output driver for typewriter-like (terminal) devices Synopsis grotty [ -dfho ] [ -i | -r ] [ -F dir ] [ file ...] grotty -c [ -bBdfhouU ] [ -F dir ] [ file ...]…Establish and destroy transient mount or auto-mount points NAME systemd-mount, systemd-umount - Establish and destroy transient mount or auto-mount points SYNOPSIS systemd-mount [ …Establish and destroy transient mount or auto-mount points NAME systemd-mount, systemd-umount - Establish and destroy transient mount or auto-mount points SYNOPSIS systemd-mount [ …Name neqn - format equations for character-cell terminal output Synopsis neqn [ eqn-argument ...] Description neqn invokes the eqn (1) command with the ascii output device. eqn doe…Name nroff - format documents with groff for TTY (terminal) devices Synopsis nroff [ -bcCEhikpRStUVz ] [ -d ctext ] [ -d string = text ] [ -K fallback-encoding ] [ -m macro-package…Name groff - front end to the GNU roff document formatting system Synopsis groff [ -abcCeEgGijklNpRsStUVXzZ ] [ -d ctext ] [ -d string = text ] [ -D fallback-encoding ] [ -f font-f…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 …send a signal or report process status NAME skill, snice - send a signal or report process status SYNOPSIS skill [ signal ] [ options ] expression snice [ new priority ] [ options …send a signal or report process status NAME skill, snice - send a signal or report process status SYNOPSIS skill [ signal ] [ options ] expression snice [ new priority ] [ options …Analyze and debug system manager NAME systemd-analyze - Analyze and debug system manager SYNOPSIS systemd-analyze [OPTIONS...] [time] systemd-analyze [OPTIONS...] blame systemd-ana…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…Control the systemd login manager NAME loginctl - Control the systemd login manager SYNOPSIS loginctl [OPTIONS...] {COMMAND} [NAME...] DESCRIPTION loginctl may be used to introspec…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…Name eqn - format mathematics (equations) for groff or MathML Synopsis eqn [ -CNrR ] [ - d xy ] [ -f F ] [ -m n ] [ -M dir ] [ -p n ] [ -s n ] [ -T dev ] [ file ...] eqn --help eqn…