01 Flashcards
(34 cards)
A program that provides the user a command-line interface to the kernel.
Shell
What term describes when the kernel interrupts a task
Pre-emptive
Linuix is multi-user, multi-tasking, and ____________ to a variety of hardware platforms
Portable
What are the three classes of ownership in users in Linux considering file permissions?
User/Owner: Actual owner of the file
Group: Group ownership of the file or directory
Other: All other users on the system
What are each of the first fields in a file permission?
(__) _____ file, Text (Printable) or binary file
(__) _____ file Contains other files or directories
(__) _____ file Data is read and written in blocks using a buffer cache
(__) _____ file A Raw device. Reads and writes as a stream of characters
(__) _____ file A textual representation of the refrenced file’s path.
(__) _____ file FIFO special file. Provides bi-directional communication
(__) _____ file Used by the IPC to communicate between two proccesses
- Regular File
d Directory file
b block file
c character file
l symbolic file
p named pipe
s Socket
Linuix supports the ability to dynamically load and unload ________ (________________)
Kernel code, loadable kernel modules
Linux does not differentiate between ___________ and _____________
Threads, and a normal process
Linuix provides an object-oriented device model with _______________, __________________, and ___________________
device classes, Hot-pluggable events, user-space device file system
Command/tool that is the default text editor for Linux systems.
Vi
In what directory are static files required to boot the system?
/boot
What directory holds essential command binaries (e.g., cp, mkdir, ls, less)
/bin
What directory holds essential system binaries intended for super users?
/sbin
What directory holds universal system resources?
/usr
What directory holds shared libraries?
/lib
What directory holds system administration and configuration files?
/etc
What directory holds Device files (block and character).
/dev
What directory holds users home directories?
/home
What directory holds optional third party software?
/opt
What directory holds processes used by the system?
/proc
What directory holds Root users home directory?
/root
What directory hold temporary files used by the system?
/tmp
What directory variable size data like that found in log files?
/var
What Moniker tells you the format of a crontab job?
MM HH DOM MM DOW
Minute Minute
Hour Hour
Day of month
Month
Day of week
Directory permission bit that allows users to change into directories using the cd command. (The letter that represents the word)
x
