alias (1p)           - define or display aliases
avcstat (8)          - Display SELinux AVC statistics
cal (1)              - displays a calendar
ciphers (1ssl)       - SSL cipher display and cipher list tool.
display (1)          - displays an image or image sequence on any X server.
dprofpp (1)          - display perl profile data
e2undo (8)           - Replay an undo log for an ext2/ext3/ext4 filesystem
echo (1)             - display a line of text
faillog (8)          - display faillog records or set login failure limits
fdebuginfo (1)       - display the debug-info paths for a process and its sha...
fmtmsg (3p)          - display a message in the specified format on standard ...
fmtmsg.h (0p)        - message display structures
free (1)             - Display amount of free and used memory in the system
git-check-attr (1)   - Display gitattributes information
git-help (1)         - display help information about git
gprof (1)            - display call graph profile data
gsnd (1)             - Run ghostscript (PostScript and PDF engine) without di...
ImageMagick (1)      - is a free software suite for the creation, modificatio...
ipmaddr (8)          - adds, deletes, and displays multicast addresses
iptstate (8)         - A top-like display of IP Tables state table entries
iwevent (8)          - Display Wireless Events generated by drivers and setti...
jobs (1p)            - display status of jobs in the current session
lchage (1)           - Display or change user password policy
lid (1)              - Display user's groups or group's users
look (1)             - display lines beginning with a given string
lpoptions (1)        - display or set printer options and defaults
lvdisplay (8)        - display attributes of a logical volume
mailstats (8)        - display mail statistics
man (1p)             - display system documentation
mdir (1)             - display an MSDOS directory
mdu (1)              - display the amount of space occupied by an MSDOS direc...
more (1p)            - display files on a page-by-page basis
mountstats (8)       - Displays NFS client per-mount statistics
mtoolstest (1)       - tests and displays the configuration
mtype (1)            - display contents of an MSDOS file
my_print_defaults (1) - display options from option files
myisam_ftdump (1)    - display full-text index information
myisamlog (1)        - display MyISAM log file contents
mysqlshow (1)        - display database, table, and column information
ntfslabel (8)        - display/change the label on an ntfs file system
objdump (1)          - display information from object files.
pam_lastlog (8)      - PAM module to display date of last login
pam_motd (8)         - Display the motd file
pethtool (8)         - Display or change ethernet card settings
pg_controldata (1)   - display control information of a PostgreSQL database c...
pifconfig (8)        - display information about a network interface
praliases (8)        - display system mail aliases
pstree (1)           - display a tree of processes
pvdisplay (8)        - display attributes of a physical volume
quota (1)            - display disk usage and limits
rdjpgcom (1)         - display text comments from a JPEG file
readelf (1)          - Displays information about ELF files.
scriptreplay (1)     - play back typescripts, using timing information
showrgb (1)          - display an rgb color-name database
slabtop (1)          - display kernel slab cache information in real time
snmpdf (1)           - display disk space usage on a network entity via SNMP
snmpnetstat (1)      - display networking status and configuration informatio...
snmptable (1)        - retrieve an SNMP table and display it in tabular form
sprof (1)            - Read and display shared object profiling data
stat (1)             - display file or file system status
sudoreplay (8)       - replay sudo session logs
top (1)              - display Linux tasks
vgdisplay (8)        - display attributes of volume groups
vi (1p)              - screen-oriented (visual) display editor
whatis (1)           - display manual page descriptions
whiptail (1)         - display dialog boxes from shell scripts
who (1p)             - display who is on the system
wvgain (1)           - adds ReplayGain information to wavpack files
x509 (1ssl)          - Certificate display and signing utility
xdpyinfo (1)         - display information utility for X
xine (5)             - a free video player
xlsclients (1)       - list client applications running on a display
xlsfonts (1)         - server font list displayer for X
xprop (1)            - property displayer for X
Xserver (1)          - X Window System display server
zenity (1)           - display GTK+ dialogs