Study your flashcards anywhere!

Download the official Cram app for free >

  • Shuffle
    Toggle On
    Toggle Off
  • Alphabetize
    Toggle On
    Toggle Off
  • Front First
    Toggle On
    Toggle Off
  • Both Sides
    Toggle On
    Toggle Off
  • Read
    Toggle On
    Toggle Off
Reading...
Front

How to study your flashcards.

Right/Left arrow keys: Navigate between flashcards.right arrow keyleft arrow key

Up/Down arrow keys: Flip the card between the front and back.down keyup key

H key: Show hint (3rd side).h key

A key: Read text to speech.a key

image

Play button

image

Play button

image

Progress

1/39

Click to flip

39 Cards in this Set

  • Front
  • Back
Terminates the current shell
exit
Informs the shell you want to end the login session.
logout
Changes the working directory to Dir
cd Dir
Changes the current directory to the user's home directory.
cd
Lists the contents of the current directory.
ls
Creates a directory named Dir
mkdir Dir
Displays teh full pathname of the current directory.
pwd
Outputs a list of previously entered command lines
history
Reexecutes the most recent command line (csh,tcsh, and bash).
!!
Reexecutes the command number## (csh, tcsh, and bash)
!##
Reexecutes the last command that begins with xxx(csh, kcsh, and bash)
!xxx
Reexecutes the most recent command line (ksh)
r
Reexecutes the command number##(ksh)
r ##
Reexecutes the last command that begins with xxx(ksh)
r xxx
Tells shells to interpret newname as command (tcsh and csh)
alias newname command
Tells shells to interpret newname as command (ksh)
alias newname=command
Advance one screen
SPACEBAR
Advance one line
ENTER
Go back toward the top of the file one screen.
b
Go forward to the first target (xxx) and display the page.
/xxx
Go to the next target (xxx)
n
Quit more
q
Outputs file1 from beginning to end. Useful for small files
cat file1
Displays teh first 10 lines of filename.
head filename
Displays the last 10 lines of filename
tail filename
Counts the lines, words, and characters in filename
wc
Copies file1 to file2
cp file1 file2
Renames file1 as file2
mv file1 file2
Deletes filename
rm
Deletes filename, but asks the user to confirm the deletion.
rm -i
Checks the spelling in filename.
spell filename
Displays a list of user currently logged on.
who
Prints filename on the line printer.
lp filename
Prints filename on the line printer
lpr filename
Sends the output of the utility to the file filename
utility > filename
Appends the output of the utility to the end of the file filename.
utility >> filename
Makes the output of utility1 the input of utility2
utility1 | utility2
Displays manual entry for the utility listed as an argument.
man utility
Displays all lines in teh table of contents containing any word listed in word(s).
man -k word(s)