! $ Esc +. The final parameter called once on the command
\ 'does not use the alias
`` $ () to print the output of a command to another command parameters.
ps -p $$ View shell type
setterm-
setterm-terminal -background background color to the specified color
setterm -foreground terminal to specify the foreground color
parameters: black, red, green, yellow , blue, magenta, cyan , or White
setterm-exchange -inversescreen background color former and scenery
parameters: on or OFF
setterm -reset terminal will revert to the default settings and appearance of the screen is cleared
setterm -store will end the current foreground and background colors set to -reset option value
Copy and paste the
copy: Ctrl + shift + C
Paste: Ctrl + shift + V
inquiry command information
man [the Option] the Command
man -k keyword search
info
-help
--help
the basename
dirname
echo $ PS1 PS1 format command prompt
echo echo output to the specified string variable value takes $ stdout
internal enable command
type command type of
hash binary hash
hash -d command requested cache commands
which command positions --skip- aliases are not displayed alias
cp copy
rm remove
the whereis
alias for the specified command to define a command
unalias delete the alias
internal hash alias command cache path
source reads and executes the command specified file
BC
; semicolon-delimited command
\ branch
mandb (7) makewhatis (6)
man
Help
\ escape
exit force the shell to specify the exit status you quit
hexdump View binary files in hexadecimal encoding
pwd Print Working Directory Print directory
rm remove files or directories rm -r delete a directory
wildcard? Instead of a character, instead of * zero or more characters
[AI] or a match i, [ai] to match a I, [! A] exclude a.
File permissions owner, is a group, other people may write x w r-readable executable
LS -l --time the atime =
CP Source Where do you want to copy the source file destination
cp -R recursive copy files in directory
ln create a link file
rename or move mv
FHS file system hierarchy
pwd
cd ~ into the home directory
touch -a change only atime, ctime
-m change only mtime, ctime
\ does not use the Command alias
RM
Tree
mkdir
rmdir
Shred
hard links to a file more filename
soft link
file