The alias built-in in shells, used to define shortcuts for frequently used commands.

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24
votes
3answers
5k views

How to pass parameters to an alias?

For bash script, I can use "$@" to access arguments. What's the equivalent when I use an alias?
31
votes
3answers
3k views

How to use `which` on an aliased command?

Like most users, I have a bunch of aliases set up to give a default set of flags for frequently used programs. For instance, alias vim='vim -X' alias grep='grep -E' alias ls='ls -G' The problem is ...
137
votes
10answers
12k views

In Bash, when to alias, when to script, and when to write a function?

It's taken me almost 10 years of Linux usage to ask this question. It was all trial and error and random late-night internet surfing. But people shouldn't need 10 years for this. If I were just ...
76
votes
12answers
23k views

How to have tail -f show colored output

I'd like to be able to tail the output of a server log file that has messages like: INFO SEVERE etc, and if it's SEVERE, show the line in red; if it's INFO, in green. What kind of alias can I ...
18
votes
1answer
1k views

Aliases vs functions vs scripts

This site says, "Shell functions are faster [than aliases]. Aliases are looked up after functions and thus resolving is slower. While aliases are easier to understand, shell functions are preferred ...
7
votes
3answers
460 views

Forcing an 'added' alias to every command

Is it possible to forcibly add a timing alias (for lack of a better way to phrase it) to every command in bash? For example, I would like to have a specific user who whenever a command is run, it is ...
55
votes
21answers
7k views

Quick directory navigation in the terminal

I would like to frequently switch between directories that are in totally unrelated paths, for example /Project/Warnest/docs/ and ~/Dropbox/Projects/ds/test/. But I don't want to type cd ...
16
votes
1answer
3k views

How do I get bash completion for command aliases?

I am looking to get tab-completion on my command line aliases, for example, say I defined the following alias : alias apt-inst='sudo aptitude install' Is there a way to get the completions ...
67
votes
6answers
2k views

Run a command that is shadowed by an alias

Let's say i have the following alias in bash - alias ls='ls --color=auto' - and i want to call ordinary ls without options. Is the only way to do that is to unalias, do the command and then alias ...
3
votes
1answer
584 views

creating abbreviations for commonly used paths

I am new to linux and was wondering whether it is possible to create abbreviations that can be used in terminal. I know about alias command, but am not sure whether that can be used for what I am ...
19
votes
6answers
565 views

Why is aliasing over standard commands not recommended?

For example, a common alias I've seen in the ~/.bashrc file (or equivalents) is alias rm='rm -i' However, I've seen people recommend against this because the alias might not exist on another ...
1
vote
1answer
220 views

Is it possible to use a parameter within an alias command [duplicate]

Possible Duplicate: How to pass parameters to an alias? As answered in Can less retain colored output? I want to use git diff --color=always filename | less -r to get a colored output of my ...
27
votes
6answers
17k views

Why doesn't my Bash script recognize aliases?

In my ~/.bashrc file reside two definitions: commandA, which is an alias to a longer path commandB, which is an alias to a Bash script I want to process the same file with these two commands, so I ...
17
votes
2answers
2k views

aliasing cd to pushd - is it a good idea?

Is it a good idea to use the following alias: cd() { pushd $1; } in bash? I think this would be very useful, since I can then use a series of popds instead of just a cd - once. Is there any ...
13
votes
1answer
436 views

Grep alias - line numbers unless it's in a pipeline

I want to create a bash alias for grep that adds line numbers: alias grep='grep -n' But that, of course, adds line numbers to pipelines as well. Most of the time (and no exceptions come to mind) I ...
15
votes
4answers
3k views

How can I create an alias for a command that includes a space?

Most of my my aliases are of this form: alias p='pwd' I want to alias git commit so that it does git commit -v But trying to create an alias with a space gives an error: $ alias 'git commit'='git ...
5
votes
2answers
2k views

watch command alias expansion

If a run the watch command containing an alias, it will not expand the alias. I have tried both with single quote and double quotes, in fact given the following alias: # alias ll alias ll='ls -l ...
1
vote
1answer
382 views

How do I set Keyboard and profile preferences when connecting to Solaris via SSH?

I'm connecting to a Solaris box from Mac OS X. Whenever I have connected to linux boxes in the past it has been much easier to navigate around. How do I fix these configuration issues on Solaris? ...
1
vote
2answers
299 views

Simple command that switches between two host files

I am using /etc/host to map localhost to a web domain. I would like a fast way of doing this rather than searching and replacing every time. I put this in my .bashrc file. alias hostchange=' ...
6
votes
2answers
155 views

Aliases interpretation

I have a few aliases in .bash_aliases. I defined c alias as follows, but it does not work as it should ... alias cd='cd; ls -r --time=atime' alias c='cd' ... in .bashrc there is a line alias ...
5
votes
1answer
886 views

How can I alias to `!!` (last command)?

!! in bash runs last command. I find it too difficult to type given how much I use it. alias to the rescue, I presumed. Or not. I tried: $ alias dl='!!' # Aliasing $ echo Testing123 ...
4
votes
4answers
2k views

How to set an alias for a specific file or directory?

There are several files I work with often. For instance some configuration files or log files. Let's say the Apache log file. I often want to tail or grep it. Instead of writing: tail -50 ...
4
votes
1answer
81 views

Remove alias from current session

How to remove a alias from current session without closing that session?
3
votes
4answers
297 views

Bash aliases/functions and command line options

I want to set an alias to start nedit together with command line option -noautosave (due to text files up to 500MB). What seemed to be easy: alias nn="nedit -noautosave $1 &" just raises some ...
2
votes
3answers
905 views

Issues with .bash_profile and terminal commands

I added some data to my .bash_profile to run two aliases ruby version 19 and the proper gems. As soon as I added the data I could not longer run any commands such as the MacPorts command port nor the ...
1
vote
2answers
353 views

Change command name in Linux [duplicate]

Possible Duplicate: creating abbreviations for commonly used paths I'm new to the Linux platform. Is there any way to rename the commands available in Linux. For example, I use the clear ...
1
vote
1answer
233 views

Error creating an alias for the find command [duplicate]

Possible Duplicate: How to pass parameter to alias? I am trying to shorten the find command, but getting an error: $ alias f='find . -name $1 -print' $ f JobConf.java find: paths must ...