eject | Eject removable media |
enable | Enable and disable builtin shell commands |
env | Environment variables |
ethtool | Ethernet card settings |
eval | Evaluate several commands/arguments |
exec | Execute a command |
exit | Exit the shell |
expand | Convert tabs to spaces |
expect | Automate arbitrary applications accessed over a terminal |
export | Set an environment variable |
expr | Evaluate expressions |
fdformat | Low-level format a floppy disk |
fdisk | Partition table manipulator for Linux |
fg | Send job to foreground |
fgrep | Search files for lines that match a fixed string |
file | Determine file type |
find | Search for files that meet a desired criteria |
fmt | Reformat paragraph text |
fold | Wrap text to fit a specified width |
for | Expand words, and execute commands |
format | Format disks or tapes |
free | Display memory usage |
fsck | File system consistency check and repair |
ftp | File Transfer Protocol |
function | Define Function Macros |
fuser | Identify/kill the process that is accessing a file |
gawk | Find and Replace text within files |
getopts | Parse positional parameters |
grep | Search files for lines that match a given pattern |
groupadd | Add a user security group |
groupdel | Delete a group |
groupmod | Modify a group |
groups | Print group names a user is in |
gzip | Compress or decompress named files |
hash | Remember the full pathname of a name argument |
head | Output the first part of files |
help | Display help for a built-in command |
history | Command History |
hostname | Print or set system name |
iconv | Convert the character set of a file |
id | Print user and group id’s |
if | Conditionally perform a command |
ifconfig | Configure a network interface |
ifdown | Stop a network interface |
ifup | Start a network interface up |
import | Capture an X server screen and save the image to file |
install | Copy files and set attributes |
jobs | List active jobs |
join | Join lines on a common field |
kill | Stop a process from running |