Man Pages
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Man pages (abbreviation for "manual pages") are extensive documentation that comes with almost all UNIX-like operating systems. The command used to display them is man
.
Accessing man pages
To display man page you can run the command man
followed by the name of the man page.
user $ man ip
Here we view man page for the ip command that comes with sys-apps/iproute2
.
Section numbers
Man pages are sorted by section number. You can specify section number after man command.
user $ man 1 ip
Man pages are sorted into 8 separate sections.
Section Number | Description |
1. |
General commands |
2. |
System calls |
3. |
Function calls |
4. |
Special files |
5. |
Configuration files |
6. |
Games |
7. |
Miscellaneous |
8. |
System administration commands |
Searching man pages
You can search man pages with -k
option.
user $ man -k ip
To do wider search by matching keyword to whole articles you can use -K
option.
user $ man -K wlan
Searching words within man pages
root # man openssl
press / and then enter the word you want to see within the man page, then press return.
root # /key list-public-key-algorithms] openssl no-XXX [ arbitrary options ] DESCRIPTION OpenSSL is a cryptography toolkit implementing the Secure Sockets Layer (SSL v2/v3) and Transport Layer Security (TLS v1) network protocols and related cryptography standards required by them. The openssl program is a command line tool for using the various cryptography functions of OpenSSL's crypto library from the shell. It can be used for o Creation and management of private keys, public keys and parameters o Public key cryptographic operations
to scroll down to the next entry:
- press n
to scroll back:
- press shift + n