# Avoid duplicatesexportHISTCONTROL=ignoredups:erasedups# When the shell exits, append to the history file instead of overwriting itshopt-s histappend# After each command, append to the history file and reread itexportPROMPT_COMMAND="${PROMPT_COMMAND:+$PROMPT_COMMAND$'\n'}history -a; history -...
这个是针对history命令的设置,The number of commands to remember in the command history. The default value is 500. export HISTFILESIZE=10000 这个是针对history文件(.bash_history)的设置,The maximum number of lines contained in the history file. When this variable is assigned a value, the his-tory...
display the command history list with line numbers. Lines listed with a * have been modified. An argument of n lists only thelastn lines. If the8shell variable HISTTIMEFORMAT is set and notnull, it is used as a formatstringfor
9. By default, the history command does not display the timestamp of when the command was executed. However, you can enable this feature by setting the HISTTIMEFORMAT variable to include the timestamp in the command history. 10. The command history is only saved for the current user session ...
41. history: Display command history. 42. alias: Create custom command shortcuts. 43. grep: Search for text patterns in files. 44. tar: Archive files and directories into a single file. 45. unzip: Extract files from a compressed archive. ...
linux查看历史命令可以使用history命令,该命令可以列出所有已键入的命令。用户所键入的命令都会记录在文件中,该文件保存在当前登录用户的家目录中。 本文操作环境:centos 7系统、thinkpad t480电脑。 在Linux环境中可以通过方向键的上下按键查看近期键入的命令。但这种方法只能一个一个的查看,其实系统提供了查看所有历史命...
深入了解Linux中的history 在Linux中,有一个非常有用的命令可以向你显示最近使用过的所有最后命令。该命令简称为history。 显示时间戳 通常当你从命令行键入历史记录时,它会显示命令# 和命令。出于审计目的,将时间戳与命令一起显示可能会有所帮助,如下所示。
history -s arg [arg ...] 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 strftim...
我们可以使用 help history命令查看 history命令的帮助信息。 purpleEndurer @ bash ~ $help history history: history [-c] [-d offset] [n] or history -anrw [filename] or history -ps arg [arg...] Display or manipulate the history list. ...
# [Press Ctrl+R from the command prompt, which will display the reverse-i-search prompt](reverse-i-search)`red‘: cat /etc/redhat-release[Note: Press enter when you see your command, which will execute the command from the history]# cat /etc/redhat-releaseFedora release 9 (Sulphur)...