Card Set Information
Essential command binaries Holds the files needed to bring the system up and run it when it first comes up in single-user mode. Holds system utilities
Static files of the boot loader Contains all of the files needed to boot the system.
Machine–local system configuration files One of the most important is /etc/passwd
Machine–local configuration files for the X Window System
User home directories
Loadable kernel modules
Mount point for temporarily mounting filesystems
Add-on software packages. (optional)
Kernel and process information virtual filesystem
home directory for root
Essential system binaries Utilities used for system administration are stored in /sbin and /usr/sbin.
/sbin directory includes utilities needed during the booting process
holds utilities used after the system is up and running
Older versions of linux
In older versions of Linux, many system administration utilities were scattered through several directories that often included other system files (/etc, /usr/bin, /usr/adm, /usr/include).
Second major hierarchy. Traditionally includes subdirectories that contain information used by the system. Files in /usr subdirectories do not change often and may be shared by several systems.
Most user commands. Contains the standard linux utility programs. that is binaries that are not needed in single-user mode.
Local hierarch Holds locally important files and directories that are added to the system. can include bin, games, include, lib, sbin, share, and src
Variable data, files with contents that vary are stored here
Log files Contains lastlog (a record of the last login by each user), messages (system messages from rsyslogd), and wtmp (a record of all logins/logouts).
Associates you with another working directory
Changes the access permissions on a file
Displays a files ACL
Makes a link to an existing file
Creates a directory
displays the pathname of the working directory.
Deletes a directory.
Modifies a files ACL
Access control lists.
ACL's allow you
share selected files with other users.
Maximum file name
Should you use spaces in filenames.
Displays information about a file or filesystem.
T or F Linux is case sensitive
T or F file name extensions are mandatory
False they are not neccesary
You can build the absolute pathname of a file by tracing a path from the root directory through all the intermediate directories to the file
traces a path from the working directory to a file
is synonymous with the pathname of the working directory and can be used in its place
is synonymous with the pathname of the parent of the working directory.
deletes directory and files inside.
creates an empty file
displays file permissions
user/owner of the file
is a pointer to a file
creates a hard link
removes a link
R W X
Read write execute
show hidden files
show hidden files, wont show .. parent or .
shows a / if directory
sort by size
mount a filesystem
unmount a filesystem
show amount of disk space free
show amount of disk space used
display file or filesystem status
read info documents
check and repair a linux filesystem.
build a linux filesystem
adjust tuneable filesystem parameters.
Configuration files for add on software packages
header files included by C programs
spooled application data.