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Rebecca Stephens
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Decks in this class (47)
Logging in
Unix operating system originally ...,
Many users can use unix that is r...,
Linux and other versions of unix ...
21
cards
The Kernel, Programs, and Processes
The linux kernel is an,
Os is,
Kernel lets programs know when a
11
cards
BCCS199_Session_1a
What is tty
1
cards
NDOS515_Session_2
Desktop,
Documents,
Bin
31
cards
Examining the Filesystem
In linux info and programs are st...,
Files are grouped into,
This hierarchy of directories con...
25
cards
Running Commands
Command line interface advantages,
If commands entered on the comman...,
First word of any command is gene...
30
cards
Managing Terminals
Bash shell and terminal it runs o...,
When terminals display info they ...,
When computers are handling human...
44
cards
Getting Help
The first layer of help is often ...,
_________ ________ more often abb...,
Red hat enterprise linux uses the...
35
cards
NDOS515_Session_2
How to organize your tree,
Navigating on command line,
Linux standard directories
14
cards
File System Navigation
The linux filesystem is an _____ ...,
Every process has a,
The pwd command ______ the bash s...
24
cards
Important Directories
Every user account is assigned,
The _____ directory is used for g...,
The bin and usr bin directories c...
26
cards
Managing Files
Many commands produce _______ out...,
Linux likes to think of everythin...,
One of the features of the bash c...
32
cards
Managing Directories
In linux the command for making n...,
Mkdir options directory,
By default mkdir will not create ...
14
cards
File Names and File Globbing
File names can contain almost any...,
Although filenames can contain al...,
Files that start with _____ are h...
18
cards
Examining Files
The file command displays a,
The cat command displays a,
The more and less commands page t...
30
cards
Editing Files
A text editor is not a,
Linux ships with many,
Nano is a
17
cards
CS199_Week_3
At a low level users are represen...,
Every process that runs on the sy...,
Every file in the file system is ...
27
cards
Linux Users and the /etc/passwd File
When using a linux system you fir...,
Not only does every user on the s...,
While people like to think in the...
20
cards
Linux Groups and the /etc/group File
A group is just an,
Every process that runs on the sy...,
The etc group file maps gids to
24
cards
Examining User Information
The id command displays,
The whoami reports the,
The who users and w commands report
33
cards
Changing Identity
The su command allows,
The su command is usually called ...,
The newgrp command also called sg...
8
cards
Regular File Ownerships and Permissions
Files have a,
Three permission types,
Three access classes
17
cards
Changing File Permissions: chmod
The ______ command is used to mod...,
The first argument to chmod uses ...,
In linux permissions of a file ar...
4
cards
OS515_Lecture_4
To view permissions from the comm...,
R ead,
W rite
17
cards
Directory Ownerships and Permissions
Because directories are also file...,
Read permissions allow a user to,
Write permissions allow a user to
26
cards
chmod Revisited: Octal Notation
The chmod command can use an,
The octal syntax is often,
Student station student chmod og ...
12
cards
Controlling Default Permissions: umask
At the kernel level linux creates...,
At the kernel level linux creates...,
Every process possesses a umask p...
14
cards
OS515-Week5_Lecture
See slide two for the,
See slide three for the,
What is the abbreviation and use ...
46
cards
OS515-Workbook6
The default shell in red hat ente...,
The bash shell can be used,
Upon startup bash executes comman...
70
cards
OS515-Workbook6-part2
The bash shell expands certain co...,
Tilde expansion expands tokens th...,
Brace expansion expands tokens with
45
cards
File Details
The term file refers to,
All files have common attributes,
File names are contained in data ...
49
cards
Hard and Soft Links
The in command creates two,
Hard links assign multiple,
Soft links are
27
cards
Directories and Device Nodes
The term file refers to,
All files have common attributes,
File meta information is containe...
29
cards
Disks, Filesystems, and Mounting
Linux allows low level access to,
Usually disks are _______ with a ...,
Filesystems are created with some...
50
cards
Locating Files with locate and find
The locate command uses a databas...,
The find command performs a,
The find command can search for f...
33
cards
gzip and bzip2
Compressing seldom used files,
The most commonly used compressio...,
The bzip2 command is newer and pr...
16
cards
Archiving Files with tar
Archiving files allows an entire ...,
Archives are created listed and e...,
Archive files are often
23
cards
Introduction to Bash
The default shell in red hat ente...,
The bash shell can be used intera...,
Upon startup bash executes comman...
28
cards
Command Lists and Scripts
Multiple commands can be separate...,
Upon exiting every command return...,
The shell variable expands to the...
26
cards
Shell Variables
Shell variables are assigned usin...,
Variables are examined dereferenc...,
At the kernel level every process...
49
cards
BCCS199_Session_10
In linux like unix before it near...,
Cut command,
Commands like head tail and grep ...
26
cards
BCCS199_Session_11
A process is,
Processes are defined by a proces...,
When creating a process the paren...
15
cards
processes.xps
Early computer system allowed only,
Current day computer system allow,
A process is
41
cards
Linux_Scheduling
Prior to kernel version 25 the li...,
Two problems with the traditional...,
With version 25 the scheduler was...
23
cards
Creating zombies
Processes are a very complex but ...,
Most people think init is the mot...,
The new kernel thread shares all ...
20
cards
BCCS199_Session_12
Linux sets up a conversation betw...,
Like everything else in linux a s...,
A program uses the same system fu...
28
cards
BCCS199_Session_13
The read command reads input from,
The test keyword allows you to make,
Conditional statements in bash ar...
26
cards
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Networking
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