Command Line history.
Syntax
history [n]
history -c
history -d offset
history -anrw [filename]
history -p arg [arg ...]
history -s arg [arg ...]
Options
-c Clear the history list by deleting all the entries.
-d offset Delete the history entry at position offset.
-a Append the `new' history lines (history lines entered since the beginning of the current
bash session) to the history file.
-n Read the history lines not already read from the history file into the current history
list. These are lines appended to the history file since the beginning of the current
bash session.
-r Read the contents of the history file and use them as the current history.
-w Write the current history to the history file, overwriting the history file's contents.
-p Perform history substitution on the following args and display the result on the standard
output. Does not store the results in the history list. Each arg must be quoted
to disable normal history expansion.
-s Store the args in the history list as a single entry. The last command in the history
list is removed before the args are added.
With no options, display the command history list with line numbers. Lines listed with a * have been modified.
An argument of n lists only the last n lines.
If the shell variable HISTTIMEFORMAT is set and not null, it is used as a format string for strftime(3) to display the time stamp associated with each displayed history entry. No intervening blank is printed between the formatted time stamp and the history line.
If filename is supplied, it is used as the name of the history file; if not, the value of HISTFILE is used.
If the HISTTIMEFORMAT is set, the time stamp information associated with each history entry is written to the history file. The return value is 0 unless an invalid option is encountered, an error occurs while reading or writing the history file, an invalid offset is supplied as an argument to -d, or the history expansion supplied as an argument to -p fails.
Saving History
Ater executing a series
of commands save them all with:
$ history > cmds.txt
history is a bash built in command: $ help history
"In times of change, learners inherit the earth, while the learned find themselves equipped to deal with a world that no longer exists" - Eric Hoffer
Related:
complete - Edit a command completion [word/pattern/list]
fc - Fix command (history)
