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4 On the class server, use this command to set up an alias alias g

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4. On the class server, use this command to set up an
alias: alias ghist=‘history | grep’ Once it’s set, use it with
various commands that you know, like: ghist cd What kind
of output do you get when trying this with different
commands? What is the ghist alias doing when combined
with different commands? Explain.
Solution
The different types of alias commands in Unix
Command
alias
Sample Outputs
Alias..=’cd..’
Alias amazonbackup = ‘s3backup’
Alias apt-get=’sudo apt-get’
Scope: to clear the screen
Command
Alias= c= ‘clear’
Task: Define an alias
Command
Alias name=’/path/to/script.p1 arg1’
Task: Disable an alias temporarily

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## path/to/full/command/usr/bin/clear
Task: remove an alias
Unalias aliasname
Output:
Unalias c
Command: control cd
alias..=’cd..’ // quick way to get out of current
directory
Command: Is
Alias Is =’Is—color=auto’ // colorize the output
Command: grep
Alias grep=’grep—color=auto’ // colorize the grep
command output
Command: bc
alias bc=’bc-1’ // calculater
Command: mkdir
alias mkdir=’mkdir-pv’
command: netstat
alias ports=’netstat-tulanp’
The Ghost commands
.priv [name] host private name
.pub [name] host public name
.open[slot] open slot
.close[slot] close slot
What is the ghost alias doing when combined with different

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4. On the class server, use this command to set up an alias: alias ghist=‘history | grep’ Once it’s set, use it with various commands that you know, like: ghist cd What kind of output do you get when trying this with different commands? What is the ghist alias doing when combined with different commands? Explain. Solution The different types of alias commands in Unix Command alias Sample Outputs Alias..=’cd..’ Alias amazonbackup = ‘s3backup’ Alias apt-get=’sudo apt-get’ Scope: to clear the screen Command Alias= c= ‘clear’ Task: Define an alias Command Alias name=’/path/to/script.p1 arg1’ Task: Disable an alias temporarily ## path/to/full/command/usr/bin/clear Task: remove an alias Unalias aliasname Output: Unalias c Command: control cd alias..=’cd..’ // quick way to get out of current directory Command: Is Alias Is =’Is—color=auto’ // colorize ...
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