Operating Systems and You: Becoming a Power User Flashcards
What is the CLI?
Command Line Interpreter
What is Tab Completion?
Allows us to use the tab key to auto-complete file names or directories in the powershell/bash by beginning input at double tapping tab
What is the main directory in a Linux file system called?
the Root Directory
What are the 2 CLIs available in Windows?
Command Prompt: cmd.exe
PowerShell: powershell.exe
The main directory in a Windows system is ______
The drive the file system is stored on (eg: c:\ )
In powershell, what command lists the directories of the c drive?
c:\
If you needed a description of a command in powershell, what would you type before the command?
Get-Help
What powershell command shows hidden files during a directory search?
-force
eg:
ls -force c:\
Which powershell command will tell you what directory you’re currently in?
pwd
(print-working directory)
In order to change directory locations in powershell, what command is used?
cd followed by the path.
eg:
cd c:\Users\Name
To go up one path level in a powershell directory, what is the command?
cd ..
What is the powershell shortcut of the home directory?
cd ~
What is the command in Bash and Powershell to create a new directory(folder)?
mkdir _____
(Underscores=chosen file name)
In powershell, how do we work around not being able to use spaces in file or directory names?
either by ‘surrounding it with quotes’ or by following each word with a back tick, eg:
my’ file’ name’
In Bash, how do we get around not being able to use spaces in file or directory names?
either with ‘quotations’, or by entering a backslash between words, eg:
mkdir my/ file/ name/
How do we nagivate command history in powershell?
By typing in history, and hitting enter. Then we are able to scroll through commands with the up and down arrows
What is the shortcut to search history in powershell?
cntrl and r keys, then searching
How do we clear our text field in both powershell and bash for easier reading?
typing the clear command and hitting enter
How do we open a list of directories in Bash?
ls/
In a bash directory, what are:
bin
etc
home
bin= program file directory
etc = system configuration files
home = personal directory for users (documents, pictures etc)
In a bash directory, what are:
proc
usr
var
proc = currently running processes
usr = user installed software
var = system logs or any constantly changing files
In Bash, what command will show you all options and flags for any given command?
By typing –help after the command you need information about, eg:
ls –help
How would you open the manual for a command in Bash?
By typing man before the command. (Known as man pages)
What does the -l flag mean in Bash?
Long, you could use it to pull up a longer more detailed directory by typing:
ls -l/
How would you search for hidden files in a Bash directory?
ls -a/
-a stands for all
How would you identify a hidden file in Bash?
If the file name started with a period. EG:
.filename.txt
What is the command to copy a file in powershell and Bash?
cp
eg:
cp filename.txt c:\Users\Documents
What is a wildcard command?
Denoted by an asterix, you follow it with the parameter you would like applied to your file changes. eg:
cp * .jpg destinationpath
Without using this command, the contents of a directory will not be changed during a command sequence
Recurse
-recurse in powershell
-r in Bash
-verbose will output ________
one line per file
To move a file, what is the command?
mv
eg:
mv ‘file name’ c:location
To rename a file, what is the command?
mv
eg: ‘filename’ ‘newfilename’
What is the command to delete files and directories?
rm
This immediately deletes though, no recycle bin purgatory for the item you use this command on!
