Bash Command 2 Flashcards
1
Q
man
A
Help manual
2
Q
mkdir
A
Create new folder(s)
3
Q
mkfifo
A
Make FIFOs (named pipes)
4
Q
mkisofs
A
Create an hybrid ISO9660/JOLIET/HFS filesystem
5
Q
mknod
A
Make block or character special files
6
Q
more
A
Display output one screen at a time
7
Q
mount
A
Mount a file system
8
Q
mtools
A
Manipulate MS-DOS files
9
Q
mtr
A
Network diagnostics (traceroute/ping)
10
Q
mv
A
Move or rename files or directories
11
Q
mmv
A
Mass Move and rename (files)
12
Q
netstat
A
Networking information
13
Q
nice
A
Set the priority of a command or job
14
Q
nl
A
Number lines and write files
15
Q
nohup
A
Run a command immune to hangups
16
Q
notify-send
A
Send desktop notifications
17
Q
nslookup
A
Query Internet name servers interactively
18
Q
open
A
Open a file in its default application
19
Q
op
A
Operator access
20
Q
passwd
A
Modify a user password
21
Q
paste
A
Merge lines of files
22
Q
pathchk
A
Check file name portability
23
Q
ping
A
Test a network connection
24
Q
pkill
A
Stop processes from running
25
popd
Restore the previous value of the current directory
26
pr
Prepare files for printing
27
printcap
Printer capability database
28
printenv
Print environment variables
29
printf
Format and print data ?
30
ps
Process status
31
pushd
Save and then change the current directory
32
pwd
Print Working Directory
33
quota
Display disk usage and limits
34
quotacheck
Scan a file system for disk usage
35
quotactl
Set disk quotas
36
ram
ram disk device
37
rcp
Copy files between two machines
38
read
Read a line from standard input ?
39
readarray
Read from stdin into an array variable ?
40
readonly
Mark variables/functions as readonly
41
reboot
Reboot the system
42
rename
Rename files
43
renice
Alter priority of running processes
44
remsync
Synchronize remote files via email
45
return
Exit a shell function
46
rev
Reverse lines of a file
47
rm
Remove files
48
rmdir
Remove folder(s)
49
rsync
Remote file copy (Synchronize file trees)
50
screen
Multiplex terminal, run remote shells via ssh
51
scp
Secure copy (remote file copy)
52
sdiff
Merge two files interactively
53
sed
Stream Editor
54
select
Accept keyboard input
55
seq
Print numeric sequences
56
set
Manipulate shell variables and functions
57
sftp
Secure File Transfer Program
58
shift
Shift positional parameters
59
shopt
Shell Options
60
shutdown
Shutdown or restart linux
61
sleep
Delay for a specified time
62
slocate
Find files
63
sort
Sort text files
64
source
Run commands from a file `.'
65
split
Split a file into fixed-size pieces
66
ssh
Secure Shell client (remote login program)
67
strace
Trace system calls and signals
68
su
Substitute user identity
69
sudo
Execute a command as another user
70
sum
Print a checksum for a file
71
suspend
Suspend execution of this shell ?
72
symlink
Make a new name for a file
73
sync
Synchronize data on disk with memory
74
tail
Output the last part of file
75
tar
Tape ARchiver
76
tee
Redirect output to multiple files
77
test
Evaluate a conditional expression
78
time
Measure Program running time
79
times
User and system times
80
touch
Change file timestamps
81
top
List processes running on the system
82
traceroute
Trace Route to Host
83
trap
Run a command when a signal is set(bourne)
84
tr
Translate, squeeze, and/or delete characters
85
true
Do nothing, successfully
86
tsort
Topological sort
87
tty
Print filename of terminal on stdin
88
type
Describe a command ?
89
ulimit
Limit user resources ?
90
umask
Users file creation mask
91
umount
Unmount a device
92
unalias
Remove an alias ?
93
uname
Print system information
94
unexpand
Convert spaces to tabs
95
uniq
Uniquify files
96
units
Convert units from one scale to another
97
unset
Remove variable or function names
98
unshar
Unpack shell archive scripts
99
until
Execute commands (until error)
100
uptime
Show uptime
101
useradd
Create new user account
102
userdel
Delete a user account
103
usermod
Modify user account
104
users
List users currently logged in
105
uuencode
Encode a binary file
106
uudecode
Decode a file created by uuencode
107
v
Verbosely list directory contents (`ls -l -b')
108
vdir
Verbosely list directory contents (`ls -l -b')
109
vi
Text Editor
110
vmstat
Report virtual memory statistics
111
wait
Wait for a process to complete ?
112
watch
Execute/display a program periodically
113
wc
Print byte, word, and line counts
114
whereis
Search the user's $path, man pages and source files for a program
115
which
Search the user's $path for a program file
116
while
Execute commands
117
who
Print all usernames currently logged in
118
whoami
Print the current user id and name (`id -un')
119
wget
Retrieve web pages or files via HTTP, HTTPS or FTP
120
write
Send a message to another user
121
xargs
Execute utility, passing constructed argument list(s)
122
xdg-open
Open a file or URL in the user's preferred application.
123
yes
Print a string until interrupted
124
.
Run a command script in the current shell
125
!!
Run the last command again
126
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