Bash Command 1 Flashcards
1
Q
alias
A
Create an alias ?
2
Q
apropos
A
Search Help manual pages (man -k)
3
Q
apt-get
A
Search for and install software packages (Debian/Ubuntu)
4
Q
aptitude
A
Search for and install software packages (Debian/Ubuntu)
5
Q
aspell
A
Spell Checker
6
Q
awk
A
Find and Replace text, database sort/validate/index
7
Q
basename
A
Strip directory and suffix from filenames
8
Q
bash
A
GNU Bourne-Again SHell
9
Q
bc
A
Arbitrary precision calculator language
10
Q
bg
A
Send to background
11
Q
break
A
Exit from a loop ?
12
Q
builtin
A
Run a shell builtin
13
Q
bzip2
A
Compress or decompress named file(s)
14
Q
cal
A
Display a calendar
15
Q
case
A
Conditionally perform a command
16
Q
cat
A
Concatenate and print (display) the content of files
17
Q
cd
A
Change Directory
18
Q
cfdisk
A
Partition table manipulator for Linux
19
Q
chgrp
A
Change group ownership
20
Q
chmod
A
Change access permissions
21
Q
chown
A
Change file owner and group
22
Q
chroot
A
Run a command with a different root directory
23
Q
chkconfig
A
System services (runlevel)
24
Q
cksum
A
Print CRC checksum and byte counts
25
clear
Clear terminal screen
26
cmp
Compare two files
27
comm
Compare two sorted files line by line
28
command
Run a command - ignoring shell functions ?
29
continue
Resume the next iteration of a loop ?
30
cp
Copy one or more files to another location
31
cron
Daemon to execute scheduled commands
32
crontab
Schedule a command to run at a later time
33
csplit
Split a file into context-determined pieces
34
cut
Divide a file into several parts
35
date
Display or change the date & time
36
dc
Desk Calculator
37
dd
Convert and copy a file, write disk headers, boot records
38
ddrescue
Data recovery tool
39
declare
Declare variables and give them attributes ?
40
df
Display free disk space
41
diff
Display the differences between two files
42
diff3
Show differences among three files
43
dig
DNS lookup
44
dir
Briefly list directory contents
45
dircolors
Colour setup for `ls'
46
dirname
Convert a full pathname to just a path
47
dirs
Display list of remembered directories
48
dmesg
Print kernel & driver messages
49
du
Estimate file space usage
50
echo
Display message on screen ?
51
egrep
Search file(s) for lines that match an extended expression
52
eject
Eject removable media
53
enable
Enable and disable builtin shell commands ?
54
env
Environment variables
55
ethtool
Ethernet card settings
56
eval
Evaluate several commands/arguments
57
exec
Execute a command
58
exit
Exit the shell
59
expect
Automate arbitrary applications accessed over a terminal
60
expand
Convert tabs to spaces
61
export
Set an environment variable
62
expr
Evaluate expressions
63
false
Do nothing, unsuccessfully
64
fdformat
Low-level format a floppy disk
65
fdisk
Partition table manipulator for Linux
66
fg
Send job to foreground
67
fgrep
Search file(s) for lines that match a fixed string
68
file
Determine file type
69
find
Search for files that meet a desired criteria
70
fmt
Reformat paragraph text
71
fold
Wrap text to fit a specified width.
72
for
Expand words, and execute commands
73
format
Format disks or tapes
74
free
Display memory usage
75
fsck
File system consistency check and repair
76
ftp
File Transfer Protocol
77
function
Define Function Macros
78
fuser
Identify/kill the process that is accessing a file
79
gawk
Find and Replace text within file(s)
80
getopts
Parse positional parameters
81
grep
Search file(s) for lines that match a given pattern
82
groupadd
Add a user security group
83
groupdel
Delete a group
84
groupmod
Modify a group
85
groups
Print group names a user is in
86
gzip
Compress or decompress named file(s)
87
hash
Remember the full pathname of a name argument
88
head
Output the first part of file(s)
89
help
Display help for a built-in command ?
90
history
Command History
91
hostname
Print or set system name
92
iconv
Convert the character set of a file
93
id
Print user and group id's
94
if
Conditionally perform a command
95
ifconfig
Configure a network interface
96
ifdown
Stop a network interface
97
ifup
Start a network interface up
98
import
Capture an X server screen and save the image to file
99
install
Copy files and set attributes
100
jobs
List active jobs ?
101
join
Join lines on a common field
102
kill
Stop a process from running
103
killall
Kill processes by name
104
less
Display output one screen at a time
105
let
Perform arithmetic on shell variables ?
106
ln
Create a symbolic link to a file
107
local
Create variables ?
108
locate
Find files
109
logname
Print current login name
110
logout
Exit a login shell ?
111
look
Display lines beginning with a given string
112
lpc
Line printer control program
113
lpr
Off line print
114
lprint
Print a file
115
lprintd
Abort a print job
116
lprintq
List the print queue
117
lprm
Remove jobs from the print queue
118
ls
List information about file(s)
119
lsof
List open files
120
make
Recompile a group of programs
