Type in bot_add in the console bar to add one bot, to bring up the console, click this: `
A few more tips:
Type in bot_kick to allow all bots to quit game when you are playing.
Type in bot_kill to kill the bots and continue to the next round. (If you are the only human player)
PS
Console give you information about the processes in a match.
In CS:S and CS:CZ, there are bots built into the game client, so you could easily start a game against bots. In CS 1.7 you would need to download 3rd party bots.
Da Strike was created on 1994-12-16.
The Hunger Strike was created on 2008-03-16.
Crime Strike - 1999 2011-12-16 was released on: USA: 16 December 2011
Strike It Rich - 1951 1954-02-16 was released on: USA: 16 February 1954
Crime Strike - 1999 2013-09-16 was released on: USA: 16 September 2013
Crime Strike - 1999 2013-12-16 was released on: USA: 16 December 2013
Crime Strike - 1999 2012-03-16 was released on: USA: 16 March 2012
Crime Strike - 1999 2012-04-16 was released on: USA: 16 April 2012
Crime Strike - 1999 2012-07-16 was released on: USA: 16 July 2012
Air Strike - 2004 V is rated/received certificates of: Germany:16 (cut) Iceland:16 Netherlands:16 Singapore:NC-16 USA:R
The Strike - 1912 was released on: USA: 16 August 1912
32 add 16 = 48