Section 1
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chsh
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Last updated
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Date created
Mar 1, 2020
Cards (77)
Section 1
(50 cards)
chsh
Switch login shell.
ssh
It provides encrypted communication between the hosts
setenv
built-in function of the C shell (csh). It is used to define the value of environment variables
echo
Send input string(s) to standard output i.e. display text on the screen.
man
Shows manual pages for Linux commands.
whoami
Displays the username tied to the current effective user ID.
nslookup
Used performs DNS queries. Read this article for more info.
cmp
Compare two files (byte by byte).
df
Show disk usage.
touch
Change file access and modification times.
chmod
Change access permission for a file(s).
info
Used to read the documentation in Info format.
history
Shows the command history.
alias
Create an alias for Linux commands
cd
Used to change directory.
du
Show disk usage summary for a file(s).
<Control>c
Cancels a command or interrupts a running program.
mv
Move/rename files or directories.
ping
Send ICMP ECHO_REQUEST to network hosts.
cal
Show calendar.
more
Display content of a file page-by-page.
less
Displays contents of a file one page at a time. It's advanced than more command.
clear
Used to clear the terminal window.
diff
Used to compare files line by line.
wget
A non-interactive file download utility.
free
Show free and used system memory.
date
Show system date and time.
tail
Show the last 10 lines of each specified file(s).
cat
Used to concatenate files and print them on the screen.
bash
GNU Bourne-Again Shell.
ln
Create links between files. Links can be hard (two names for the same file) or soft (a shortcut of the first file).
mkdir
Used to create directories.
w
Show who is logged-on and what they're doing.
find
Do a file search in a directory hierarchy.
telnet
Used to interact with another host
grep
Searches input files for a given pattern and displays the relevant lines.
xargs
Runs a command using initial arguments and then reads remaining arguments from standard input.
<Control>d
Signals the end of a file you are entering from the terminal if typed at the beginning of a line or if typed twice elsewhere in a line.
mount
Mount a filesystem.
file
Determine file type for a file.
head
Shows first 10 lines from each specified file.
which
For a given command, lists the pathnames for the files which would be executed when the command runs.
ls
Shows the list of files in the current directory.
set
Used to manipulate shell variables and functions.
pwd
Show current directory.
man
Shows manual pages for Linux commands.
info
Used to read the documentation in Info format.
scp
Copy files between hosts on a network securely using SSH.
egrep
Search and display text matching a pattern.
echo
Send input string(s) to standard output i.e. display text on the screen.
Section 2
(27 cards)