1. sinsengumi

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    sinsengumi
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+more, less コマンド
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+この記事は [Linux コマンド 全部オレ Advent Calendar 2017](https://adventar.org/calendars/2630) の13日目の記事です。
+
+# more
+
+```
+NAME
+ more - file perusal filter for crt viewing
+
+SYNOPSIS
+ more [options] file [...]
+
+DESCRIPTION
+ more is a filter for paging through text one screenful at a time. This version is especially primitive. Users should realize
+ that less(1) provides more(1) emulation plus extensive enhancements.
+```
+昔の less。今は使わなくてもよい
+
+
+# less
+
+```
+NAME
+ less - opposite of more
+
+SYNOPSIS
+ less -?
+ less --help
+ less -V
+ less --version
+ less [-[+]aABcCdeEfFgGiIJKLmMnNqQrRsSuUVwWX~]
+ [-b space] [-h lines] [-j line] [-k keyfile]
+ [-{oO} logfile] [-p pattern] [-P prompt] [-t tag]
+ [-T tagsfile] [-x tab,...] [-y lines] [-[z] lines]
+ [-# shift] [+[+]cmd] [--] [filename]...
+ (See the OPTIONS section for alternate option syntax with long option names.)
+
+DESCRIPTION
+ Less is a program similar to more (1), but which allows backward movement in the file as well as forward movement. Also, less
+ does not have to read the entire input file before starting, so with large input files it starts up faster than text editors
+ like vi (1). Less uses termcap (or terminfo on some systems), so it can run on a variety of terminals. There is even limited
+ support for hardcopy terminals. (On a hardcopy terminal, lines which should be printed at the top of the screen are prefixed
+ with a caret.)
+
+ Commands are based on both more and vi. Commands may be preceded by a decimal number, called N in the descriptions below. The
+ number is used by some commands, as indicated.
+```
+ディスク容量を確認するコマンド。
+
+## よく使いそうな使い方
+
+```
+[sinsengumi ~]# less file.txt
+[sinsengumi ~]# ls -l /bin/ | less -N
+```
+`-N` で行番号を表示する。