小弟我使用过的Linux命令之apropos - 根据关键字搜索命令

我使用过的Linux命令之apropos - 根据关键字搜索命令
我使用过的Linux命令之apropos - 根据关键字搜索命令

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因为Linux的Shell中使用的是命令行方式，有时候会忘记执行特定任务的命令，就可以使用apropos找出来。等同于man -k，在使用的时候还是觉得用man -k来的好，毕竟apropos这个命令有些难记。

此命令需要指定一个keyword作为参数，查找与该keyword有关的命令。手册页中的解释是：在whatis数据库中搜索字符串。search the whatis database for strings。

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命令格式为：apropos keyword

等同于：man -k keyword

[root@web ~]# apropos who
at.allow [at]??????? (5)? - determine who can submit jobs via at or batch
at.deny [at]???????? (5)? - determine who can submit jobs via at or batch
jwhois?????????????? (1)? - client for the whois service
jwhois????????????? (rpm) - Internet whois/nicname client.
w??????????????????? (1)? - Show who is logged on and what they are doing
who????????????????? (1)? - show who is logged on
who????????????????? (1p)? - display who is on the system
whoami?????????????? (1)? - print effective userid

[root@web ~]# man -k who
at.allow [at]??????? (5)? - determine who can submit jobs via at or batch
at.deny [at]???????? (5)? - determine who can submit jobs via at or batch
jwhois?????????????? (1)? - client for the whois service
jwhois????????????? (rpm) - Internet whois/nicname client.
w??????????????????? (1)? - Show who is logged on and what they are doing
who????????????????? (1)? - show who is logged on
who????????????????? (1p)? - display who is on the system
whoami?????????????? (1)? - print effective userid

从以上输出来看，apropos和man -k的输出是相同的。

[root@web ~]# apropos apropos
apropos????????????? (1)? - search the whatis database for strings
man???????????????? (rpm) - A set of documentation tools: man, apropos and whatis.
[root@web ~]# man -k apropos
apropos????????????? (1)? - search the whatis database for strings
man???????????????? (rpm) - A set of documentation tools: man, apropos and whatis.

[root@web ~]# apropos sort
FcFontSort?????????? (3)? - Return list of matching fonts
alphasort [scandir]? (3)? - scan a directory for matching entries
bsearch????????????? (3)? - binary search of a sorted array
bsearch????????????? (3p)? - binary search a sorted table
bunzip2 [bzip2]????? (1)? - a block-sorting file compressor, v1.0.3
bzip2??????????????? (1)? - a block-sorting file compressor, v1.0.3
comm???????????????? (1)? - compare two sorted files line by line
ldap_sort_entries??? (3)? - LDAP sorting routines
ldap_sort_entries [ldap_sort] (3)? - LDAP sorting routines
ldap_sort_entries [ldap_sort_strcasecmp] (3)? - LDAP sorting routines
ldap_sort_entries [ldap_sort_values] (3)? - LDAP sorting routines
ldap_sort_strcasecmp (3)? - LDAP sorting routines
ldap_sort_strcasecmp [ldap_sort] (3)? - LDAP sorting routines
ldap_sort_strcasecmp [ldap_sort_entries] (3)? - LDAP sorting routines
ldap_sort_strcasecmp [ldap_sort_values] (3)? - LDAP sorting routines
ldap_sort_values???? (3)? - LDAP sorting routines
ldap_sort_values [ldap_sort] (3)? - LDAP sorting routines
ldap_sort_values [ldap_sort_entries] (3)? - LDAP sorting routines
ldap_sort_values [ldap_sort_strcasecmp] (3)? - LDAP sorting routines
qsort??????????????? (3)? - sorts an array
qsort??????????????? (3p)? - sort a table of data
sort???????????????? (1)? - sort lines of text files
sort???????????????? (1p)? - sort, merge, or sequence check text files
sort???????????????? (3pm)? - perl pragma to control sort() behaviour
tsort??????????????? (1)? - perform topological sort
tsort??????????????? (1p)? - topological sort
versionsort [scandir] (3)? - scan a directory for matching entries

【1】51CTO.COM Linux apropos命令详细列表

【2】建站教学网 Linux命令行知识：apropos查找和sort相关的命令

【3】爱词霸在线词典 apropos

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