CompTIA Linux+ Powered by Linux Professional Institute Study Guide. Richard Blum
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ldd
, ldconfig
, /etc/ld.so.conf
, LD_LIBRARY_PATH
102.4 Use Debian package management ( Chapter 2 )
● Install, upgrade, and uninstall Debian binary packages
● Find packages containing specific files or libraries which may or may not be installed
● Obtain package information like version, content, dependencies, package integrity, and installation status (whether or not the package is installed)
● The following is a partial list of the files, terms and utilities covered in this objective: /etc/apt/sources.list
, dpkg
, dpkg-reconfigure
, apt-get
, apt-cache
, aptitude
102.5 Use RPM and YUM package management ( Chapter 2 )
● Install, reinstall, upgrade. and remove packages using RPM and YUM
● Obtain information on RPM packages such as version, status, dependencies, integrity, and signatures
● Determine what files a package provides, as well as find which package a specific file comes from
● The following is a partial list of the files, terms and utilities covered in this objective: rpm
, rpm2cpio
, /etc/yum.conf
, /etc/yum.repos.d/
, yum
, yumdownloader
103 GNU and Unix Commands
103.1 Work on the command line ( Chapter 1 )
● Use single shell commands and one-line command sequences to perform basic tasks on the command line
● Use and modify the shell environment. including defining, referencing, and exporting environment variables
● Use and edit command history
● Invoke commands inside and outside the defined path
● The following is a partial list of the files, terms, and utilities covered in this objective: bash
, echo
, env
, exec
, export
, pwd
, set
, unset
, man
, uname
, history
, .bash_history
103.2 Process text streams using filters ( Chapter 1 )
● Send text files and output streams through text utility filters to modify the output using standard Unix commands
● The following is a partial list of the files, terms, and utilities covered in this objective: cat
, cut
, expand
, fmt
, head
, od
, join
, less
, nl
, paste
, pr
, sed
, sort
, split
, tail
, tr
, unexpand
, uniq
, wc
103.3 Perform basic file management ( Chapter 4 )
● Copy, move, and remove files and directories individually
● Copy multiple files and directories recursively
● Remove files and directories recursively
● Use simple and advanced wildcard specifications in commands
● Using find
to locate and act on files based on type, size, or time
● Usage of tar
, cpio
, and dd
● The following is a partial list of the files, terms and utilities covered in this objective: cp
, find
, mkdir
, mv
, ls
, rm
, rmdir
, touch
, tar
, cpio
, dd
, file
, gzip
, gunzip
, bzip2
, xz
, file globbing
103.4 Use streams, pipes, and redirects ( Chapter 1 )
● Redirecting standard input, standard output, and standard error
● Pipe the output of one command to the input of another command
● Use the output of one command as arguments to another command
● Send output to both STDOUT and a file
● The following is a partial list of the files, terms and utilities covered in this objective: tee
, xargs
103.5 Create, monitor, and kill processes ( Chapter 2 )
● Run jobs in the foreground and background
● Signal a program to continue running after logout
● Monitor active processes
● Select and sort processes for display
● Send signals to processes
● The following is a partial list of the files, terms and utilities covered in this objective: &
, bg
, fg
, jobs
, kill
, nohup
, ps
, top
, free
, uptime
, pgrep
, pkill
, killall
, screen
103.6 Modify process execution priorities ( Chapter 2 )
● Know the default priority of a job that is created
● Run a program with higher or lower priority than the default
● Change the priority of a running process
● The following is a partial list of the files, terms, and utilities covered in this objective: nice
, ps
, renice
, top
103.7 Search text files using regular expressions ( Chapter 1 )
● Create simple regular expressions containing several notational elements
● Use regular expression tools to perform searches through a filesystem or file content
● The following is a partial list of the files, terms and utilities covered in this objective: grep
, egrep
, fgrep
, sed
, regex(7)