Command List

catconcatenate (combine) two or more files
cdchange to another directory
chmodchange mode (security permissions) of file or directory
      ugo+-rwxuser (owner), group, other (world), add, remove, read, write, execute
cpcopy file
      -rcopy directory tree
dfshow disk free information
findfind files in a directory tree
fingerdisplay user information
greplist text lines containing particular characters
groupsshow your security group memberships
killkill process
      -9kill process immediately
lprsend to printer
      -Psend to another printer
lpqshow status of print queue
      -Pshow print jobs in a different print queue
lprmremove print job from printer
      -Premove from a different print queue
lslist contents of current directory
      -llong (detailed) listing
mandisplay portion of online Unix manual
      -kdisplay command descriptions relating to subject keyword
mkdirmake new directory
moredisplay contents of file
mvmove or rename file or directory
ps auxlist status of all processes (running programs)
pwdprint working (current) directory
rmremove file
      -rremove directory tree
rmdirremove an empty directory
..parent directory
.current directory
*wildcard representing any combination of characters
?wildcard representing exactly one character
~your home directory
~useriduserid's home directory
send output to file
>> append (add) output to file
|pipe output from one command as input to another