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)
103.8 Perform basic file editing operations using vi ( Chapter 5 )
● Navigate a document using vi
● Use basic vi modes
● Insert, edit, delete, copy, and find text
● The following is a partial list of the files, terms and utilities covered in this objective: vi, /, ?, h, j, k, l, i, o, a, c, d, p, y, dd, yy, ZZ, :w!, :q!, :e!
104 Devices, Linux Filesystems, Filesystem Hierarchy Standard
104.1 Create partitions and filesystems ( Chapter 3 )
● Manage MBR partition tables
● Use various mkfs commands to create various filesystems, such as ext2, ext3, ext4, xfs, vfat
● Awareness of ReiserFS and Btrfs
● Basic knowledge of gdisk and parted with GPT
● The following is a partial list of the files, terms, and utilities covered in this objective: fdisk, gdisk, parted, mkfs, mkswap
104.2 Maintain the integrity of filesystems ( Chapter 3 )
● Verify the integrity of filesystems
● Monitor free space and inodes
● Repair simple filesystem problems
● The following is a partial list of the files, terms, and utilities covered in this objective: du, df, fsck, e2fsck, mke2fs, debugfs, dumpe2fs, tune2fs, xfs tools (such as xfs_metadump and xfs_info)
104.3 Control mounting and unmounting of filesystems ( Chapter 3 )
● Manually mount and unmount filesystems
● Configure filesystem mounting on bootup
● Configure user mountable removeable filesystems
● The following is a partial list of the files, terms, and utilities covered in this objective: /etc/fstab, /media, mount, umount
104.4 Manage disk quotas ( Chapter 4 )
● Set up a disk quota for a filesystem
● Edit, check, and generate user quota reports
● The following is a partial list of the files, terms, and utilities covered in this objective: quota, edquota, repquota, quotaon
104.5 Manage file permissions and ownership ( Chapter 4 )
● Manage access permissions on regular and special files as well as directories
● Use access modes such as SUID, SGID, and the sticky bit to maintain security
● Know how to change the file creation mask
● Use the group field to grant file access to group members
● The following is a partial list of the files, terms, and utilities covered in this objective: chmod, umask, chown, chgrp