Pages du manuel Linux : Commandes destinées aux utilisateurs / posix

ulimit
set or report file size limit
umask
get or set the file mode creation mask
unalias
remove alias definitions
uname
return system name
uncompress
expand compressed data
unexpand
convert spaces to tabs
unget
undo a previous get of an SCCS file (DEVELOPMENT)
uniq
report or filter out repeated lines in a file
unlink
call the unlink function
unset
unset values and attributes of variables and functions
uucp
system-to-system copy
uudecode
decode a binary file
uuencode
encode a binary file
uustat
uucp status inquiry and job control
uux
remote command execution
val
validate SCCS files (DEVELOPMENT)
vi
screen-oriented (visual) display editor
wait
await process completion
wc
word, line, and byte or character count
what
identify SCCS files (DEVELOPMENT)
who
display who is on the system
write
write to another user
xargs
construct argument lists and invoke utility
yacc
yet another compiler compiler (DEVELOPMENT)
zcat
expand and concatenate data