• uil
• uim-xim
• uisp
• ujconv
• ujguess
• ul
• ulatency
• ulatency-gui
• ulimit
• ulimit.h
• ulockmgr_server
• ultracopier
• umap
• umask
• umbrello
• Umegaya
• umegaya-adm
• umegaya-ddc-ping
• umegaya-fields-stats
• umegaya-guess-url
• umegaya-license-stats
• umegaya-query
• umfuse
• umlet
• uml_mconsole
• uml_mkcow
• uml_moo
• uml_mount
• uml_switch
• umount.ecryptfs_private
• umount.s3ql
• umshutdown
• umview
• um_add_service
• um_attach
• um_del_service
• um_fsalias
• um_lock_service
• um_ls_service
• um_mov_service
• unace
• unadf
• unalias
• unalz
• uname
• unar
• unber
• unbin
• unblock_dem
• unblock_dlg
• unbound-host
• unbuffer
• unburden-home-dir
• uncat
• unclutter
• uncolor
• uncompface
• uncompress
• uncompress.real
• uncpk
• uncrustify
• undbx
• undelall
• undertaker-kconfigdump
• undertaker-kconfigpp
• undertaker-linux-tree
• undocumented
• unecm
• unetbootin
• unexpand